Put/call open interest extremes

Which chains were most skewed by put versus call open interest on Oct 27, 2026?

Put open interest divided by call open interest, for tickers with at least 50,000 total open contracts. The 25 highest ratios appear first, followed by the 25 lowest. Data through Oct 27, 2026 close. Descriptive only, not a recommendation.

At a glance

50 tickers qualified. First five: CIA (127.22), EMB (18.90), KBE (9.16), IHI (6.81), EWC (6.31).

Put/call open interest extremes as of Oct 27, 2026 close
#	Ticker	Close	Open interest	Put/call OI ratio
1	CIA	3.72	66,546	127.22
2	EMB	91.92	69,342	18.90
3	KBE	66.06	215,699	9.16
4	IHI	54.53	128,272	6.81
5	EWC	61.05	404,917	6.31
6	MDY	667.89	51,154	5.77
7	XLP	87.15	1,141,616	5.62
8	XEL	78.14	225,704	5.22
9	ARDX	3.01	232,151	4.58
10	IYR	97.97	205,401	3.90
11	BURL	235.15	74,086	3.70
12	IGV	111.78	1,424,828	3.10
13	XRT	87.31	134,861	3.03
14	HYG	77.60	10,043,806	2.97
15	EWG	41.52	51,958	2.85
16	CLNE	1.46	56,825	2.82
17	KRE	72.58	2,210,944	2.79
18	XSP	772.27	899,898	2.72
19	EFA	103.59	1,254,194	2.68
20	CARR	57.83	131,672	2.60
21	ARES	122.19	67,145	2.53
22	UAA	4.67	500,248	2.49
23	IWM	280.15	10,475,952	2.41
24	XLY	115.45	491,287	2.38
25	INFY	12.11	171,729	2.37
26	DRVN	11.61	58,211	0.00
27	CODI	10.78	246,671	0.01
28	EWZS	11.49	222,643	0.01
29	VIXM	13.27	60,130	0.01
30	EH	3.68	240,971	0.02
31	BZAI	0.19	75,110	0.02
32	DOMO	3.59	87,522	0.03
33	CRON	3.38	100,385	0.03
34	REI	1.38	148,193	0.03
35	VYX	7.73	93,415	0.04
36	ANVS	1.00	50,294	0.04
37	DBA	27.40	98,515	0.04
38	CHGG	0.73	125,597	0.04
39	CORN	17.44	133,271	0.04
40	OBE	11.45	81,612	0.05
41	INVZ	0.23	71,340	0.05
42	GENI	6.32	131,611	0.05
43	WSC	17.65	101,128	0.05
44	DEFT	0.40	76,058	0.05
45	LDI	0.66	70,970	0.05
46	PROP	0.36	55,355	0.05
47	LAES	1.63	858,148	0.05
48	IVA	3.68	63,403	0.06
49	PRMB	19.21	52,813	0.06
50	PACB	2.45	198,467	0.06

Screens describe what the data shows after the close. They are not trade recommendations; see the disclaimer and the methodology.