State Street (STT) Options Chain

NYSE: STTFinanceMajor BanksUSD

174.96-0.13 (-0.07%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $174.96
Put/call ratio (OI): 0.25
Put/call ratio (volume): 0.10
ATM implied volatility: 33.6%
Expected move: ±$66.53
Open interest (C / P): 1.97K / 493

STT options summary

The STT options chain for the January 21, 2028 expiration lists 35 call and 27 put contracts, with 468 days until expiration. Open interest stands at 1,970 calls and 493 puts, a put/call ratio of 0.25, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $175.00 strike is 33.6%, which implies the market expects a move of about ±$66.53 (38.0%) in State Street stock by expiration.

The most open interest sits at the $280.00 call (812 contracts) and the $60.00 put (126 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

STT options chain · January 21, 2028

STT calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
2	2	—	71.54	69.50	74.00	60.00	0.05	2.10	0.53	54.9%	5	126
0	2	—	62.42	0.00	0.00	65.00	0.05	5.00	1.50	61.7%	1	8
2	2	110.5%	101.22	119.50	124.00	70.00	0.00	0.00	3.35	12.5%	9	0
13	2	97.8%	92.24	110.50	113.50	80.00	0.50	4.50	5.86	50.0%	4	5
—	—	—	—	—	—	85.00	0.50	5.50	3.30	58.6%	1	4
0	1	—	75.42	0.00	0.00	90.00	0.55	3.50	0.75	47.7%	3	15
0	1	—	100.00	0.00	0.00	95.00	0.00	0.00	8.23	12.5%	1	0
35	1	52.2%	92.34	78.00	82.00	100.00	1.15	4.10	2.35	43.5%	19	18
28	10	50.0%	76.70	73.50	77.50	105.00	2.75	6.40	5.86	47.1%	1	3
17	2	49.1%	69.70	69.50	73.50	110.00	0.00	0.00	3.50	6.3%	1	0
59	59	48.0%	82.76	65.00	69.50	115.00	2.70	5.70	5.65	39.1%	1	15
11	1	46.7%	68.83	61.10	65.50	120.00	7.00	12.00	10.50	49.7%	1	3
0	5	—	70.50	0.00	0.00	125.00	4.80	7.30	5.70	36.9%	3	41
12	10	43.9%	56.50	53.50	57.50	130.00	0.00	0.00	6.30	6.3%	14	0
14	1	43.3%	50.50	50.00	54.00	135.00	0.00	0.00	7.50	6.3%	5	0
28	8	42.4%	55.50	46.70	50.50	140.00	8.10	10.70	8.20	34.5%	1	47
3	1	64.4%	56.60	60.00	64.00	145.00	9.40	12.20	9.40	33.9%	1	4
10	2	58.4%	38.90	53.50	58.00	150.00	0.00	0.00	10.90	3.1%	3	0
6	2	56.6%	48.65	50.50	53.90	155.00	0.00	0.00	12.30	3.1%	1	0
61	15	39.9%	43.20	34.10	38.00	160.00	13.80	17.00	14.95	31.5%	1	15
9	1	50.9%	34.68	41.50	46.00	165.00	15.40	19.00	15.10	30.9%	2	23
0	3	—	43.10	0.00	0.00	170.00	17.40	21.50	16.90	30.8%	6	49
STT $174.96
21	2	37.6%	29.00	25.00	29.50	175.00	19.60	23.30	19.50	29.6%	2	51
517	1	37.2%	24.96	23.10	27.20	180.00	0.00	0.00	22.30	—	4	0
57	3	36.8%	24.20	20.80	25.00	185.00	23.50	28.10	25.00	28.1%	1	65
19	3	35.8%	21.68	18.80	22.40	190.00	0.00	0.00	24.80	—	7	0
7	2	35.2%	24.00	16.70	20.30	195.00	31.00	35.50	37.26	29.1%	1	1
42	16	35.5%	20.15	14.90	19.00	200.00	—	—	—	—	—	—
24	5	34.9%	23.87	11.00	15.80	210.00	—	—	—	—	—	—
43	8	34.3%	19.00	8.90	13.00	220.00	—	—	—	—	—	—
43	1	34.4%	16.91	6.00	11.00	230.00	—	—	—	—	—	—
59	9	32.5%	7.39	5.90	8.10	240.00	—	—	—	—	—	—
5	5	32.4%	5.30	3.90	6.70	250.00	—	—	—	—	—	—
4	—	41.9%	8.50	6.50	11.30	260.00	—	—	—	—	—	—
7	5	32.4%	3.60	2.20	4.60	270.00	—	—	—	—	—	—
812	813	33.3%	3.10	1.15	4.20	280.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the STT put/call ratio?

For the January 21, 2028 expiration, the STT put/call ratio based on open interest is 0.25 (493 puts vs 1,970 calls), and 0.10 based on today's volume. A ratio above 1 means more puts than calls.

What is STT's implied volatility?

At-the-money implied volatility for STT options expiring January 21, 2028 is about 33.6%, an annualized estimate of how much the market expects State Street stock to move.

How many STT option expiration dates are there?

STT has 10 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.