What is Put-Call Ratio (PCR) and how do I interpret it?

PCR is the ratio of total Put Open Interest to Call Open Interest. High PCR (>1.2) indicates bullish sentiment as more puts provide support. Low PCR (<0.8) indicates bearish sentiment as more calls provide resistance. Neutral PCR (0.8-1.2) shows balanced market sentiment.

What is COI PCR and how is it different from regular PCR?

COI PCR (Change in OI PCR) measures the ratio of intraday Put OI change to Call OI change. Unlike regular PCR which uses total accumulated OI, COI PCR uses only today's changes, making it more responsive and valuable for intraday traders.

What is COI Strength and how do I use it?

COI Strength = (PE COI - CE COI) / (|PE COI| + |CE COI|). This normalized indicator measures directional bias on a scale from -1 to +1. Values > 0.3 indicate bullish sentiment, < -0.3 indicate bearish sentiment, and -0.3 to 0.3 indicate neutral activity.

How often does PCR data update?

PCR data updates based on the selected interval. 1 Minute interval provides real-time intraday tracking with updates every minute during market hours. 1 Day interval shows end-of-day PCR values for historical analysis.

What do negative PCR values mean?

Negative PCR occurs when Call OI Change is negative while Put OI is also negative, or vice versa. Common scenarios include: PE > 0 and CE 0 (strong bearish), or both negative (neutral, low conviction). Use COI Strength for clearer signals in these cases.

How do I use PCR with price action?

Combine PCR with price for better signals. Use divergence trading when price and PCR move opposite. Look for confirmation when price and PCR align. Watch for extreme COI Strength values at support/resistance for reversal signals. Monitor sudden COI Strength shifts as they often precede intraday trend changes.

ALKEM

Q: What is COI PCR and how is it different from regular PCR?

COI PCR (Change in OI PCR) measures the ratio of intraday Put OI change to Call OI change. Unlike regular PCR which uses total accumulated OI, COI PCR uses only today's changes, making it more responsive and valuable for intraday traders.

Q: What is COI Strength and how do I use it?

COI Strength = (PE COI - CE COI) / (|PE COI| + |CE COI|). This normalized indicator measures directional bias on a scale from -1 to +1. Values > 0.3 indicate bullish sentiment, < -0.3 indicate bearish sentiment, and -0.3 to 0.3 indicate neutral activity.

Q: How often does PCR data update?

PCR data updates based on the selected interval. 1 Minute interval provides real-time intraday tracking with updates every minute during market hours. 1 Day interval shows end-of-day PCR values for historical analysis.

Q: What do negative PCR values mean?

Negative PCR occurs when Call OI Change is negative while Put OI is also negative, or vice versa. Common scenarios include: PE > 0 and CE 0 (strong bearish), or both negative (neutral, low conviction). Use COI Strength for clearer signals in these cases.

Alkem Laboratories Ltd.

5688.5 +25.00 (0.44%)

L: 5660 H: 5697.5

Put-Call Ratio - ALKEM

17 Dec 2025 09:46 AM IST

Live

Expiry

Put OI

1,272

Call OI

1,825

PCR

0.70

Put OI Chg

40

Call OI Chg

151

COI PCR

0.26

COI Strength

-0.58

Interval

On 9:30 ALKEM was trading at 5685.5 with pcr value 0.74

On 9:45 ALKEM was trading at 5682 with pcr value 0.69

On 9:47 ALKEM was trading at 5688.5 with pcr value 0.7

Put-Call-Ratio Table

PCR Table Expiry

Note:- click on symbol to see more detailed view

	PCR OI			COI PCR
Symbol	Put	Call	Ratio	Put	Call	Ratio
360ONE	2,462	3,871	0.64	448	612	0.73
ABB	5,342	6,260	0.85	-10	-68	0.15
ABCAPITAL	4,779	7,669	0.62	16	-104	-0.15
ADANIENSOL	3,337	5,813	0.57	-18	50	-0.36
ADANIENT	26,274	44,537	0.59	77	617	0.12
ADANIGREEN	10,302	19,721	0.52	11	185	0.06
ADANIPORTS	9,296	18,332	0.51	143	249	0.57
ALKEM	1,272	1,825	0.70	40	151	0.26
AMBER	7,060	10,262	0.69	47	4	11.75
AMBUJACEM	8,543	10,291	0.83	11	-7	-1.57
ANGELONE	7,658	18,888	0.41	77	390	0.20
APLAPOLLO	2,450	2,713	0.90	21	9	2.33
APOLLOHOSP	7,956	16,316	0.49	111	125	0.89
ASHOKLEY	12,399	12,911	0.96	93	136	0.68
ASIANPAINT	17,294	34,290	0.50	-5	124	-0.04
ASTRAL	4,468	8,069	0.55	66	130	0.51
AUBANK	6,598	7,888	0.84	290	383	0.76
AUROPHARMA	4,475	10,420	0.43	23	57	0.40
AXISBANK	26,099	57,454	0.45	-601	-2,265	0.27
BAJAJ-AUTO	14,836	27,629	0.54	71	293	0.24
BAJAJFINSV	14,503	20,716	0.70	131	208	0.63
BAJFINANCE	23,630	40,124	0.59	246	-760	-0.32
BANDHANBNK	7,644	11,410	0.67	0	0	0.00
BANKBARODA	12,074	16,454	0.73	-195	-307	0.64
BANKINDIA	3,357	4,940	0.68	46	240	0.19
BDL	8,333	21,126	0.39	47	402	0.12
BEL	27,100	61,804	0.44	14	-37	-0.38
BHARATFORG	4,218	6,900	0.61	14	3	4.67
BHARTIARTL	19,451	39,955	0.49	21	-103	-0.20
BHEL	8,864	18,074	0.49	-13	126	-0.10
BIOCON	6,426	13,030	0.49	13	39	0.33
BLUESTARCO	1,380	1,746	0.79	1	-10	-0.10
BOSCHLTD	1,623	3,191	0.51	10	4	2.50
BPCL	5,455	9,058	0.60	11	-50	-0.22
BRITANNIA	6,534	9,069	0.72	133	5	26.60
BSE	18,217	37,727	0.48	16	147	0.11
CAMS	4,333	7,324	0.59	-5	-13	0.38
CANBK	12,238	15,360	0.80	234	-696	-0.34
CDSL	9,611	22,313	0.43	52	342	0.15
CGPOWER	5,106	11,218	0.46	480	2,214	0.22
CHOLAFIN	3,600	5,478	0.66	27	-141	-0.19
CIPLA	10,225	15,583	0.66	140	115	1.22
COALINDIA	12,561	12,920	0.97	22	-6	-3.67
COFORGE	8,825	19,886	0.44	141	-262	-0.54
COLPAL	6,608	10,913	0.61	102	220	0.46
CONCOR	7,652	10,196	0.75	16	36	0.44
CROMPTON	6,366	11,793	0.54	20	22	0.91
CUMMINSIND	3,648	4,759	0.77	78	276	0.28
CYIENT	1,959	2,934	0.67	24	-6	-4.00
DABUR	5,909	11,263	0.52	15	94	0.16
DALBHARAT	2,882	3,809	0.76	2	-26	-0.08
DELHIVERY	3,928	6,425	0.61	14	48	0.29
DIVISLAB	6,599	9,266	0.71	15	181	0.08
DIXON	35,955	64,210	0.56	330	1,689	0.20
DLF	16,665	26,454	0.63	112	456	0.25
DMART	7,222	15,587	0.46	46	4	11.50
DRREDDY	5,378	10,825	0.50	43	-3	-14.33
EICHERMOT	11,204	15,934	0.70	398	-90	-4.42
ETERNAL	19,246	35,134	0.55	-31	-1,051	0.03
EXIDEIND	4,076	5,906	0.69	32	152	0.21
FEDERALBNK	8,142	8,132	1.00	29	118	0.25
FORTIS	3,566	8,654	0.41	32	-51	-0.63
GAIL	13,497	20,612	0.65	-40	-84	0.48
GLENMARK	8,053	11,156	0.72	21	252	0.08
GMRAIRPORT	10,834	19,620	0.55	35	121	0.29
GODREJCP	3,915	5,797	0.68	-8	-94	0.09
GODREJPROP	7,033	11,764	0.60	21	48	0.44
GRASIM	9,516	8,708	1.09	7	76	0.09
HAL	28,002	57,539	0.49	100	830	0.12
HAVELLS	3,579	4,868	0.74	36	81	0.44
HCLTECH	11,566	20,388	0.57	41	229	0.18
HDFCAMC	4,715	6,565	0.72	82	117	0.70
HDFCBANK	42,260	65,710	0.64	-374	2,515	-0.15
HDFCLIFE	7,499	18,649	0.40	-128	-443	0.29
HEROMOTOCO	12,913	18,674	0.69	-21	257	-0.08
HFCL	4,914	12,010	0.41	0	8	0.00
HINDALCO	16,139	21,504	0.75	647	395	1.64
HINDPETRO	3,974	6,927	0.57	108	50	2.16
HINDUNILVR	9,888	20,212	0.49	-6	136	-0.04
HINDZINC	25,296	38,006	0.67	1,204	4,358	0.28
HUDCO	6,316	14,341	0.44	-43	44	-0.98
ICICIBANK	32,523	53,678	0.61	465	3,360	0.14
ICICIGI	3,064	5,499	0.56	1	12	0.08
ICICIPRULI	2,307	4,827	0.48	-8	21	-0.38
IDEA	15,265	26,291	0.58	48	-225	-0.21
IDFCFIRSTB	9,771	12,670	0.77	121	96	1.26
IEX	8,412	11,602	0.73	1	25	0.04
IIFL	2,591	4,196	0.62	-10	-108	0.09
INDHOTEL	5,820	9,547	0.61	42	354	0.12
INDIANB	4,766	12,038	0.40	-65	24	-2.71
INDIGO	51,834	1,09,365	0.47	228	331	0.69
INDUSINDBK	13,486	18,838	0.72	646	399	1.62
INDUSTOWER	8,724	15,383	0.57	6	-77	-0.08
INFY	38,261	61,697	0.62	288	-23	-12.52
INOXWIND	6,987	13,923	0.50	-9	-33	0.27
IOC	7,591	12,212	0.62	361	-400	-0.90
IRCTC	7,434	11,153	0.67	131	103	1.27
IREDA	4,936	10,314	0.48	0	14	0.00
IRFC	4,611	9,535	0.48	52	20	2.60
ITC	21,898	34,319	0.64	11	130	0.08
JINDALSTEL	5,537	8,987	0.62	31	76	0.41
JIOFIN	18,088	25,938	0.70	72	121	0.60
JSWENERGY	10,194	15,132	0.67	28	-5	-5.60
JSWSTEEL	12,714	28,372	0.45	-50	-91	0.55
JUBLFOOD	5,771	9,949	0.58	-4	208	-0.02
KALYANKJIL	4,740	8,855	0.54	-32	76	-0.42
KAYNES	31,075	77,817	0.40	521	1,610	0.32
KEI	2,504	3,665	0.68	344	116	2.97
KFINTECH	4,254	6,838	0.62	12	100	0.12
KOTAKBANK	18,571	21,426	0.87	-83	250	-0.33
KPITTECH	3,643	6,432	0.57	14	27	0.52
LAURUSLABS	5,350	9,654	0.55	175	-264	-0.66
LICHSGFIN	7,631	9,962	0.77	11	-163	-0.07
LICI	6,233	11,858	0.53	-2	-102	0.02
LODHA	4,488	11,532	0.39	115	1,079	0.11
LT	18,504	32,301	0.57	9	112	0.08
LTF	5,043	7,801	0.65	67	6	11.17
LTIM	4,513	5,906	0.76	35	280	0.13
LUPIN	5,253	6,733	0.78	159	-91	-1.75
M&M	17,414	32,669	0.53	106	9	11.78
MANAPPURAM	3,742	5,487	0.68	33	87	0.38
MANKIND	2,414	5,062	0.48	17	63	0.27
MARICO	3,109	5,211	0.60	25	47	0.53
MARUTI	30,394	31,328	0.97	760	432	1.76
MAXHEALTH	5,098	10,356	0.49	50	222	0.23
MAZDOCK	10,046	22,863	0.44	-68	242	-0.28
MCX	15,341	23,251	0.66	283	383	0.74
MFSL	2,443	4,496	0.54	11	13	0.85
MOTHERSON	7,536	9,316	0.81	22	76	0.29
MPHASIS	3,523	4,667	0.75	54	-19	-2.84
MUTHOOTFIN	6,473	12,133	0.53	94	356	0.26
NATIONALUM	6,832	7,967	0.86	132	155	0.85
NAUKRI	6,045	6,887	0.88	50	-188	-0.27
NBCC	3,189	7,310	0.44	-6	320	-0.02
NCC	3,845	8,953	0.43	52	-103	-0.50
NESTLEIND	4,375	13,996	0.31	-45	152	-0.30
NHPC	3,223	7,148	0.45	20	89	0.22
NMDC	9,937	13,385	0.74	29	121	0.24
NTPC	13,515	22,711	0.60	-270	-135	2.01
NUVAMA	2,228	4,120	0.54	84	-29	-2.90
NYKAA	2,596	6,981	0.37	12	1	12.00
OBEROIRLTY	3,502	5,723	0.61	1	-45	-0.02
OFSS	6,933	9,532	0.73	-44	171	-0.26
OIL	2,499	4,633	0.54	18	66	0.27
ONGC	10,931	26,954	0.41	182	857	0.21
PAGEIND	3,413	8,084	0.42	53	167	0.32
PATANJALI	3,915	8,852	0.44	29	133	0.22
PAYTM	7,747	13,153	0.59	26	270	0.10
PERSISTENT	6,515	10,830	0.60	163	113	1.44
PETRONET	8,813	8,600	1.02	-227	-234	0.97
PFC	20,882	36,358	0.57	-26	-416	0.06
PGEL	7,835	12,269	0.64	49	124	0.40
PHOENIXLTD	1,660	3,402	0.49	0	-28	0.00
PIDILITIND	1,933	2,604	0.74	-19	82	-0.23
PIIND	3,556	5,853	0.61	-39	139	-0.28
PNB	11,632	22,330	0.52	49	-239	-0.21
PNBHOUSING	7,281	11,956	0.61	-26	-11	2.36
POLICYBZR	6,728	8,979	0.75	619	328	1.89
POLYCAB	6,513	7,965	0.82	2,374	1,844	1.29
POWERGRID	10,659	17,693	0.60	-30	-5	6.00
POWERINDIA	3,975	10,883	0.37	-83	-41	2.02
PPLPHARMA	2,873	7,165	0.40	1	-59	-0.02
PRESTIGE	2,783	4,263	0.65	2	38	0.05
RBLBANK	4,940	7,814	0.63	154	126	1.22
RECLTD	21,780	35,349	0.62	22	132	0.17
RELIANCE	49,639	98,361	0.50	551	500	1.10
RVNL	6,394	12,690	0.50	28	170	0.16
SAIL	5,859	10,712	0.55	-82	50	-1.64
SAMMAANCAP	6,699	12,806	0.52	28	462	0.06
SBICARD	5,063	7,488	0.68	130	3	43.33
SBILIFE	6,326	11,826	0.53	24	-232	-0.10
SBIN	41,899	62,398	0.67	1,910	-5,062	-0.38
SHREECEM	2,383	5,881	0.41	46	39	1.18
SHRIRAMFIN	13,055	22,107	0.59	414	978	0.42
SIEMENS	8,990	18,031	0.50	85	154	0.55
SOLARINDS	3,942	10,649	0.37	46	47	0.98
SONACOMS	2,599	5,624	0.46	3	51	0.06
SRF	7,166	9,717	0.74	50	347	0.14
SUNPHARMA	6,734	20,354	0.33	-157	-797	0.20
SUPREMEIND	4,699	7,423	0.63	-31	-447	0.07
SUZLON	10,665	23,705	0.45	32	12	2.67
SYNGENE	1,430	2,841	0.50	0	2	0.00
TATACONSUM	5,167	10,229	0.51	33	119	0.28
TATAELXSI	5,544	14,971	0.37	81	-83	-0.98
TATAMOTORS	0	0	0.00	6	-117	-0.05
TATAPOWER	19,501	26,598	0.73	134	-173	-0.77
TATASTEEL	15,626	26,384	0.59	141	63	2.24
TATATECH	4,622	7,561	0.61	13	45	0.29
TCS	38,286	49,062	0.78	629	152	4.14
TECHM	7,512	9,632	0.78	130	56	2.32
TIINDIA	4,715	7,645	0.62	14	-99	-0.14
TITAGARH	2,613	5,227	0.50	2	61	0.03
TITAN	14,932	21,131	0.71	268	-139	-1.93
TMPV	40,156	86,059	0.47	-108	-1,203	0.09
TORNTPHARM	1,155	2,709	0.43	19	59	0.32
TORNTPOWER	2,040	3,281	0.62	17	42	0.40
TRENT	26,956	50,161	0.54	308	210	1.47
TVSMOTOR	9,633	9,625	1.00	166	73	2.27
ULTRACEMCO	11,153	19,103	0.58	22	236	0.09
UNIONBANK	5,564	8,252	0.67	2	-29	-0.07
UNITDSPR	6,599	8,871	0.74	71	186	0.38
UNOMINDA	2,828	4,970	0.57	-4	-28	0.14
UPL	4,641	6,824	0.68	23	79	0.29
VBL	10,011	24,035	0.42	-128	390	-0.33
VEDL	40,209	42,742	0.94	1,670	1,908	0.88
VOLTAS	6,516	7,204	0.90	55	1	55.00
WIPRO	11,017	13,792	0.80	224	24	9.33
YESBANK	6,444	13,145	0.49	21	-161	-0.13
ZYDUSLIFE	3,345	4,875	0.69	-15	-67	0.22

Understanding PCR & COI Metrics

PCR (Put-Call Ratio)

PCR = Put OI / Call OI

> 1.2

Bullish

More puts than calls, potential support

0.8 - 1.2

Neutral

Balanced market sentiment

< 0.8

Bearish

More calls than puts, potential resistance

COI Strength

COI Strength = (PE COI - CE COI) / (|PE| + |CE|)

> 0.3

Bullish

Strong put buildup dominance

-0.3 to 0.3

Neutral

Balanced intraday activity

< -0.3

Bearish

Strong call buildup dominance

Frequently Asked Questions

PCR is the ratio of total Put Open Interest to Call Open Interest. It's a contrarian indicator of market sentiment:

High PCR (>1.2): More traders are holding puts, expecting a decline. However, this often acts as support (bullish) as market makers hedge by buying the underlying.
Low PCR (<0.8): More traders are holding calls, expecting a rise. This often acts as resistance (bearish) as market makers hedge by selling the underlying.
Neutral PCR (0.8-1.2): Balanced sentiment with no strong directional bias.

Remember: PCR is contrarian - extreme readings often signal reversals rather than continuation.

COI PCR (Change in OI PCR) measures the ratio of intraday Put OI change to Call OI change, making it more responsive than total OI PCR.

Key Differences:

Regular PCR: Uses total accumulated Open Interest. Shows overall market positioning but changes slowly.
COI PCR: Uses only today's OI changes. Captures fresh positioning and provides timely intraday signals.

Use Case: COI PCR helps identify intraday sentiment shifts before they reflect in total PCR, making it valuable for day traders and short-term positions.

COI Strength = (PE COI - CE COI) / (|PE COI| + |CE COI|)

This normalized indicator measures the directional bias of intraday Open Interest changes on a scale from -1 to +1:

> 0.3 (Bullish): Put side dominance - fresh put writing or buying suggests bullish positioning.
-0.3 to 0.3 (Neutral): Balanced activity on both sides - no clear directional conviction.
< -0.3 (Bearish): Call side dominance - fresh call writing or buying suggests bearish positioning.

Advantages over PCR:

Normalized scale (-1 to +1) makes comparison across symbols easier
Not affected by extreme ratios when one side is very small
Clearly shows which side has stronger intraday momentum

PCR data updates based on the selected interval:

1 Minute Interval: Updates every minute during market hours, providing real-time intraday tracking.
1 Day Interval: Shows end-of-day PCR values for historical analysis and trend identification.

Note: OI data comes from the exchange and may have a slight delay. Premium users get access to faster refresh rates and more granular intervals.

Negative PCR occurs when Call OI Change is negative (unwinding) while Put OI Change is also negative, or vice versa.

Common Scenarios:

PE > 0, CE < 0: Puts building, Calls unwinding → Strong bullish signal
PE < 0, CE > 0: Puts unwinding, Calls building → Strong bearish signal
Both negative: Both sides unwinding → Low conviction, neutral to ranging market

Tip: When PCR becomes negative or very large, use COI Strength instead - it handles these edge cases better and provides clearer directional signals.

Best Practices for Combining PCR with Price:

Divergence Trading: If price is falling but COI PCR shows put buildup (>1.2), it may signal a bounce. If price is rising but COI PCR shows call buildup (<0.8), it may signal resistance.
Confirmation: Use PCR to confirm price trends. Rising prices with increasing calls or falling prices with increasing puts suggests trend continuation.
Extremes: Very high COI Strength (>0.6 or <-0.6) combined with price at support/resistance can signal strong reversals.
Intraday Pivots: Watch for sudden COI Strength shifts (e.g., from +0.5 to -0.3) as they often precede intraday trend changes.

Remember: PCR is a sentiment indicator, not a timing tool. Always combine with technical analysis, support/resistance levels, and risk management.

Related Pages for ALKEM

ALKEM

360ONE

ABB

ABCAPITAL

ADANIENSOL

ADANIENT

ADANIGREEN

ADANIPORTS

ALKEM

AMBER

AMBUJACEM

ANGELONE

APLAPOLLO

APOLLOHOSP

ASHOKLEY

ASIANPAINT

ASTRAL

AUBANK

AUROPHARMA

AXISBANK

BAJAJ-AUTO

BAJAJFINSV

BAJFINANCE

BANDHANBNK

BANKBARODA

BANKEX

BANKINDIA

BANKNIFTY

BDL

BEL

BHARATFORG

BHARTIARTL

BHEL

BIOCON

BLUESTARCO

BOSCHLTD

BPCL

BRITANNIA

BSE

CAMS

CANBK

CDSL

CGPOWER

CHOLAFIN

CIPLA

COALINDIA

COFORGE

COLPAL

CONCOR

COPPER

CROMPTON

CRUDEOIL

CRUDEOILM

CUMMINSIND

CYIENT

DABUR

DALBHARAT

DELHIVERY

DIVISLAB

DIXON

DLF

DMART

DRREDDY

EICHERMOT

ETERNAL

EURINR

EURUSD

EXIDEIND

FEDERALBNK

FINNIFTY

FORTIS

GAIL

GBPINR

GBPUSD

GLENMARK

GMRAIRPORT

GODREJCP

GODREJPROP

GOLD