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[--[65.84.65.76]--]
INFY
Infosys Limited

1834.05 9.30 (0.51%)

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Historical option data for INFY

21 Nov 2024 04:10 PM IST
INFY 28NOV2024 1880 CE
Delta: 0.19
Vega: 0.68
Theta: -0.98
Gamma: 0.01
Date Close Ltp Change IV Volume Change OI OI
21 Nov 1834.05 4.65 -0.15 18.22 8,360 249 3,546
20 Nov 1824.75 4.8 0.00 18.77 8,386 -341 3,307
19 Nov 1824.75 4.8 1.10 18.77 8,386 -331 3,307
18 Nov 1811.45 3.7 -14.00 17.76 8,699 -592 3,647
14 Nov 1864.55 17.7 -4.70 14.64 6,760 371 4,255
13 Nov 1868.40 22.4 2.20 15.87 6,188 266 3,894
12 Nov 1868.80 20.2 2.35 16.18 11,112 642 3,649
11 Nov 1860.10 17.85 6.55 14.98 9,262 1,069 2,922
8 Nov 1829.95 11.3 3.20 16.17 5,367 252 1,861
7 Nov 1803.05 8.1 -4.95 17.33 2,717 323 1,607
6 Nov 1823.70 13.05 5.25 17.32 4,371 48 1,289
5 Nov 1754.20 7.8 -2.05 23.66 992 85 1,241
4 Nov 1763.65 9.85 -3.50 23.47 1,899 7 1,147
1 Nov 1760.85 13.35 -1.65 25.80 158 5 1,139
31 Oct 1757.25 15 -10.00 - 1,453 143 1,133
30 Oct 1802.10 25 -11.35 - 1,028 263 992
29 Oct 1839.30 36.35 -1.60 - 593 17 730
28 Oct 1865.35 37.95 -1.05 - 850 144 711
25 Oct 1862.05 39 0.30 - 382 8 567
24 Oct 1863.35 38.7 -2.75 - 274 44 559
23 Oct 1873.40 41.45 5.95 - 641 -68 516
22 Oct 1851.60 35.5 1.50 - 338 -4 585
21 Oct 1852.75 34 -16.70 - 596 79 586
18 Oct 1879.60 50.7 -104.15 - 1,013 512 512
17 Oct 1968.10 154.85 0.00 - 0 0 0
16 Oct 1920.10 154.85 0.00 - 0 0 0
15 Oct 1959.30 154.85 0.00 - 0 0 0
14 Oct 1958.90 154.85 0.00 - 0 0 0
11 Oct 1935.10 154.85 0.00 - 0 0 0
10 Oct 1919.00 154.85 0.00 - 0 0 0
9 Oct 1952.75 154.85 0.00 - 0 0 0
8 Oct 1948.55 154.85 0.00 - 0 0 0
7 Oct 1934.30 154.85 0.00 - 0 0 0
4 Oct 1918.15 154.85 0.00 - 0 0 0
3 Oct 1893.40 154.85 0.00 - 0 0 0
1 Oct 1904.35 154.85 0.00 - 0 0 0
30 Sept 1875.60 154.85 0.00 - 0 0 0
27 Sept 1906.75 154.85 0.00 - 0 0 0
25 Sept 1895.30 154.85 154.85 - 0 0 0
17 Sept 1952.55 0 0.00 - 0 0 0
12 Sept 1950.45 0 0.00 - 0 0 0
11 Sept 1910.15 0 0.00 - 0 0 0
9 Sept 1894.65 0 0.00 - 0 0 0
6 Sept 1901.85 0 0.00 - 0 0 0
5 Sept 1933.15 0 0.00 - 0 0 0
4 Sept 1922.45 0 0.00 - 0 0 0
3 Sept 1941.25 0 0.00 - 0 0 0
2 Sept 1964.50 0 - 0 0 0


For Infosys Limited - strike price 1880 expiring on 28NOV2024

Delta for 1880 CE is 0.19

Historical price for 1880 CE is as follows

On 21 Nov INFY was trading at 1834.05. The strike last trading price was 4.65, which was -0.15 lower than the previous day. The implied volatity was 18.22, the open interest changed by 249 which increased total open position to 3546


On 20 Nov INFY was trading at 1824.75. The strike last trading price was 4.8, which was 0.00 lower than the previous day. The implied volatity was 18.77, the open interest changed by -341 which decreased total open position to 3307


On 19 Nov INFY was trading at 1824.75. The strike last trading price was 4.8, which was 1.10 higher than the previous day. The implied volatity was 18.77, the open interest changed by -331 which decreased total open position to 3307


On 18 Nov INFY was trading at 1811.45. The strike last trading price was 3.7, which was -14.00 lower than the previous day. The implied volatity was 17.76, the open interest changed by -592 which decreased total open position to 3647


On 14 Nov INFY was trading at 1864.55. The strike last trading price was 17.7, which was -4.70 lower than the previous day. The implied volatity was 14.64, the open interest changed by 371 which increased total open position to 4255


On 13 Nov INFY was trading at 1868.40. The strike last trading price was 22.4, which was 2.20 higher than the previous day. The implied volatity was 15.87, the open interest changed by 266 which increased total open position to 3894


On 12 Nov INFY was trading at 1868.80. The strike last trading price was 20.2, which was 2.35 higher than the previous day. The implied volatity was 16.18, the open interest changed by 642 which increased total open position to 3649


On 11 Nov INFY was trading at 1860.10. The strike last trading price was 17.85, which was 6.55 higher than the previous day. The implied volatity was 14.98, the open interest changed by 1069 which increased total open position to 2922


On 8 Nov INFY was trading at 1829.95. The strike last trading price was 11.3, which was 3.20 higher than the previous day. The implied volatity was 16.17, the open interest changed by 252 which increased total open position to 1861


On 7 Nov INFY was trading at 1803.05. The strike last trading price was 8.1, which was -4.95 lower than the previous day. The implied volatity was 17.33, the open interest changed by 323 which increased total open position to 1607


On 6 Nov INFY was trading at 1823.70. The strike last trading price was 13.05, which was 5.25 higher than the previous day. The implied volatity was 17.32, the open interest changed by 48 which increased total open position to 1289


On 5 Nov INFY was trading at 1754.20. The strike last trading price was 7.8, which was -2.05 lower than the previous day. The implied volatity was 23.66, the open interest changed by 85 which increased total open position to 1241


On 4 Nov INFY was trading at 1763.65. The strike last trading price was 9.85, which was -3.50 lower than the previous day. The implied volatity was 23.47, the open interest changed by 7 which increased total open position to 1147


On 1 Nov INFY was trading at 1760.85. The strike last trading price was 13.35, which was -1.65 lower than the previous day. The implied volatity was 25.80, the open interest changed by 5 which increased total open position to 1139


On 31 Oct INFY was trading at 1757.25. The strike last trading price was 15, which was -10.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Oct INFY was trading at 1802.10. The strike last trading price was 25, which was -11.35 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 29 Oct INFY was trading at 1839.30. The strike last trading price was 36.35, which was -1.60 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 28 Oct INFY was trading at 1865.35. The strike last trading price was 37.95, which was -1.05 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Oct INFY was trading at 1862.05. The strike last trading price was 39, which was 0.30 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 24 Oct INFY was trading at 1863.35. The strike last trading price was 38.7, which was -2.75 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 23 Oct INFY was trading at 1873.40. The strike last trading price was 41.45, which was 5.95 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 22 Oct INFY was trading at 1851.60. The strike last trading price was 35.5, which was 1.50 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 21 Oct INFY was trading at 1852.75. The strike last trading price was 34, which was -16.70 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 18 Oct INFY was trading at 1879.60. The strike last trading price was 50.7, which was -104.15 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Oct INFY was trading at 1968.10. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 16 Oct INFY was trading at 1920.10. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 15 Oct INFY was trading at 1959.30. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 14 Oct INFY was trading at 1958.90. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Oct INFY was trading at 1935.10. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 10 Oct INFY was trading at 1919.00. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 9 Oct INFY was trading at 1952.75. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 8 Oct INFY was trading at 1948.55. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 7 Oct INFY was trading at 1934.30. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Oct INFY was trading at 1918.15. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Oct INFY was trading at 1893.40. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 1 Oct INFY was trading at 1904.35. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Sept INFY was trading at 1875.60. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 27 Sept INFY was trading at 1906.75. The strike last trading price was 154.85, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Sept INFY was trading at 1895.30. The strike last trading price was 154.85, which was 154.85 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Sept INFY was trading at 1952.55. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 12 Sept INFY was trading at 1950.45. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Sept INFY was trading at 1910.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 9 Sept INFY was trading at 1894.65. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 6 Sept INFY was trading at 1901.85. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 5 Sept INFY was trading at 1933.15. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Sept INFY was trading at 1922.45. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Sept INFY was trading at 1941.25. The strike last trading price was 0, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 2 Sept INFY was trading at 1964.50. The strike last trading price was 0, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


INFY 28NOV2024 1880 PE
Delta: -0.74
Vega: 0.83
Theta: -1.13
Gamma: 0.01
Date Close Ltp Change IV Volume Change OI OI
21 Nov 1834.05 52.6 -6.10 25.47 1,019 -121 998
20 Nov 1824.75 58.7 0.00 20.15 1,108 -137 1,118
19 Nov 1824.75 58.7 -6.85 20.15 1,108 -138 1,118
18 Nov 1811.45 65.55 32.50 20.59 1,359 -543 1,257
14 Nov 1864.55 33.05 1.75 19.85 3,080 -19 1,805
13 Nov 1868.40 31.3 -2.10 19.58 4,543 68 1,824
12 Nov 1868.80 33.4 -3.10 17.76 5,944 471 1,762
11 Nov 1860.10 36.5 -22.05 18.68 2,657 977 1,293
8 Nov 1829.95 58.55 -24.15 18.55 245 66 316
7 Nov 1803.05 82.7 17.75 23.52 64 -8 254
6 Nov 1823.70 64.95 -62.55 20.04 216 -42 261
5 Nov 1754.20 127.5 8.90 27.72 48 -6 302
4 Nov 1763.65 118.6 -5.20 26.79 160 -108 311
1 Nov 1760.85 123.8 0.00 0.00 0 13 0
31 Oct 1757.25 123.8 33.80 - 85 13 419
30 Oct 1802.10 90 28.20 - 392 164 407
29 Oct 1839.30 61.8 0.55 - 283 51 241
28 Oct 1865.35 61.25 1.25 - 169 24 190
25 Oct 1862.05 60 2.30 - 93 12 166
24 Oct 1863.35 57.7 4.20 - 153 24 151
23 Oct 1873.40 53.5 -14.60 - 174 -5 127
22 Oct 1851.60 68.1 -1.40 - 114 23 132
21 Oct 1852.75 69.5 14.95 - 126 26 109
18 Oct 1879.60 54.55 22.95 - 192 54 83
17 Oct 1968.10 31.6 1.25 - 34 17 20
16 Oct 1920.10 30.35 0.00 - 0 3 0
15 Oct 1959.30 30.35 0.35 - 3 2 2
14 Oct 1958.90 30 -20.00 - 1 0 1
11 Oct 1935.10 50 0.00 - 0 1 0
10 Oct 1919.00 50 -17.70 - 1 0 0
9 Oct 1952.75 67.7 0.00 - 0 0 0
8 Oct 1948.55 67.7 0.00 - 0 0 0
7 Oct 1934.30 67.7 0.00 - 0 0 0
4 Oct 1918.15 67.7 0.00 - 0 0 0
3 Oct 1893.40 67.7 0.00 - 0 0 0
1 Oct 1904.35 67.7 0.00 - 0 0 0
30 Sept 1875.60 67.7 0.00 - 0 0 0
27 Sept 1906.75 67.7 0.00 - 0 0 0
25 Sept 1895.30 67.7 0.00 - 0 0 0
17 Sept 1952.55 67.7 0.00 - 0 0 0
12 Sept 1950.45 67.7 0.00 - 0 0 0
11 Sept 1910.15 67.7 0.00 - 0 0 0
9 Sept 1894.65 67.7 0.00 - 0 0 0
6 Sept 1901.85 67.7 0.00 - 0 0 0
5 Sept 1933.15 67.7 0.00 - 0 0 0
4 Sept 1922.45 67.7 0.00 - 0 0 0
3 Sept 1941.25 67.7 67.70 - 0 0 0
2 Sept 1964.50 0 - 0 0 0


For Infosys Limited - strike price 1880 expiring on 28NOV2024

Delta for 1880 PE is -0.74

Historical price for 1880 PE is as follows

On 21 Nov INFY was trading at 1834.05. The strike last trading price was 52.6, which was -6.10 lower than the previous day. The implied volatity was 25.47, the open interest changed by -121 which decreased total open position to 998


On 20 Nov INFY was trading at 1824.75. The strike last trading price was 58.7, which was 0.00 lower than the previous day. The implied volatity was 20.15, the open interest changed by -137 which decreased total open position to 1118


On 19 Nov INFY was trading at 1824.75. The strike last trading price was 58.7, which was -6.85 lower than the previous day. The implied volatity was 20.15, the open interest changed by -138 which decreased total open position to 1118


On 18 Nov INFY was trading at 1811.45. The strike last trading price was 65.55, which was 32.50 higher than the previous day. The implied volatity was 20.59, the open interest changed by -543 which decreased total open position to 1257


On 14 Nov INFY was trading at 1864.55. The strike last trading price was 33.05, which was 1.75 higher than the previous day. The implied volatity was 19.85, the open interest changed by -19 which decreased total open position to 1805


On 13 Nov INFY was trading at 1868.40. The strike last trading price was 31.3, which was -2.10 lower than the previous day. The implied volatity was 19.58, the open interest changed by 68 which increased total open position to 1824


On 12 Nov INFY was trading at 1868.80. The strike last trading price was 33.4, which was -3.10 lower than the previous day. The implied volatity was 17.76, the open interest changed by 471 which increased total open position to 1762


On 11 Nov INFY was trading at 1860.10. The strike last trading price was 36.5, which was -22.05 lower than the previous day. The implied volatity was 18.68, the open interest changed by 977 which increased total open position to 1293


On 8 Nov INFY was trading at 1829.95. The strike last trading price was 58.55, which was -24.15 lower than the previous day. The implied volatity was 18.55, the open interest changed by 66 which increased total open position to 316


On 7 Nov INFY was trading at 1803.05. The strike last trading price was 82.7, which was 17.75 higher than the previous day. The implied volatity was 23.52, the open interest changed by -8 which decreased total open position to 254


On 6 Nov INFY was trading at 1823.70. The strike last trading price was 64.95, which was -62.55 lower than the previous day. The implied volatity was 20.04, the open interest changed by -42 which decreased total open position to 261


On 5 Nov INFY was trading at 1754.20. The strike last trading price was 127.5, which was 8.90 higher than the previous day. The implied volatity was 27.72, the open interest changed by -6 which decreased total open position to 302


On 4 Nov INFY was trading at 1763.65. The strike last trading price was 118.6, which was -5.20 lower than the previous day. The implied volatity was 26.79, the open interest changed by -108 which decreased total open position to 311


On 1 Nov INFY was trading at 1760.85. The strike last trading price was 123.8, which was 0.00 lower than the previous day. The implied volatity was 0.00, the open interest changed by 13 which increased total open position to 0


On 31 Oct INFY was trading at 1757.25. The strike last trading price was 123.8, which was 33.80 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Oct INFY was trading at 1802.10. The strike last trading price was 90, which was 28.20 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 29 Oct INFY was trading at 1839.30. The strike last trading price was 61.8, which was 0.55 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 28 Oct INFY was trading at 1865.35. The strike last trading price was 61.25, which was 1.25 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Oct INFY was trading at 1862.05. The strike last trading price was 60, which was 2.30 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 24 Oct INFY was trading at 1863.35. The strike last trading price was 57.7, which was 4.20 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 23 Oct INFY was trading at 1873.40. The strike last trading price was 53.5, which was -14.60 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 22 Oct INFY was trading at 1851.60. The strike last trading price was 68.1, which was -1.40 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 21 Oct INFY was trading at 1852.75. The strike last trading price was 69.5, which was 14.95 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 18 Oct INFY was trading at 1879.60. The strike last trading price was 54.55, which was 22.95 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Oct INFY was trading at 1968.10. The strike last trading price was 31.6, which was 1.25 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 16 Oct INFY was trading at 1920.10. The strike last trading price was 30.35, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 15 Oct INFY was trading at 1959.30. The strike last trading price was 30.35, which was 0.35 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 14 Oct INFY was trading at 1958.90. The strike last trading price was 30, which was -20.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Oct INFY was trading at 1935.10. The strike last trading price was 50, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 10 Oct INFY was trading at 1919.00. The strike last trading price was 50, which was -17.70 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 9 Oct INFY was trading at 1952.75. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 8 Oct INFY was trading at 1948.55. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 7 Oct INFY was trading at 1934.30. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Oct INFY was trading at 1918.15. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Oct INFY was trading at 1893.40. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 1 Oct INFY was trading at 1904.35. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 30 Sept INFY was trading at 1875.60. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 27 Sept INFY was trading at 1906.75. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 25 Sept INFY was trading at 1895.30. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 17 Sept INFY was trading at 1952.55. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 12 Sept INFY was trading at 1950.45. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 11 Sept INFY was trading at 1910.15. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 9 Sept INFY was trading at 1894.65. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 6 Sept INFY was trading at 1901.85. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 5 Sept INFY was trading at 1933.15. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 4 Sept INFY was trading at 1922.45. The strike last trading price was 67.7, which was 0.00 lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 3 Sept INFY was trading at 1941.25. The strike last trading price was 67.7, which was 67.70 higher than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to


On 2 Sept INFY was trading at 1964.50. The strike last trading price was 0, which was lower than the previous day. The implied volatity was -, the open interest changed by which decreased total open position to