FormFactor FormFactor (FORM) Options Chain

NASDAQ: FORMTechnologySemiconductorsUSD

139.67+2.54 (+1.85%)

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

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 7
Share price: $139.67
Put/call ratio (OI): 0.92
Put/call ratio (volume): 3.84
ATM implied volatility: 68.6%
Expected move: ±$13.27
Open interest (C / P): 9.32K / 8.57K

FORM options summary

The FORM options chain for the October 16, 2026 expiration lists 33 call and 31 put contracts, with 7 days until expiration. Open interest stands at 9,317 calls and 8,572 puts, a put/call ratio of 0.92, which is fairly balanced between calls and puts. At-the-money implied volatility near the $140.00 strike is 68.6%, which implies the market expects a move of about ±$13.27 (9.5%) in FormFactor FormFactor stock by expiration.

The most open interest sits at the $140.00 call (1.57K contracts) and the $90.00 put (1.42K contracts).

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

FORM options chain · October 16, 2026

FORM 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
—	—	—	—	—	—	45.00	0.00	0.00	0.20	50.0%	—	0
11	3	357.4%	91.34	88.20	91.70	50.00	0.00	1.85	0.35	439.4%	1	30
—	—	—	—	—	—	55.00	0.00	1.05	2.60	361.7%	7	24
0	2	—	55.00	0.00	0.00	60.00	0.00	1.85	0.10	368.2%	11	130
2	—	—	87.92	61.90	65.50	65.00	0.00	1.85	0.20	337.1%	4	377
135	2	261.1%	57.08	68.20	71.90	70.00	0.00	1.90	0.05	310.1%	3	189
16	13	232.2%	61.00	63.20	66.80	75.00	0.00	1.90	0.43	283.1%	1	353
5	1	210.7%	56.00	58.20	61.80	80.00	0.00	0.55	0.28	204.5%	1	196
6	1	185.3%	62.60	53.10	56.80	85.00	0.00	0.15	0.05	153.1%	3	1,131
32	11	166.4%	59.00	48.10	51.80	90.00	0.00	0.75	0.38	175.2%	1	1,418
218	2	170.3%	34.59	43.90	46.60	95.00	0.00	0.30	0.05	134.4%	2	93
513	1	108.2%	40.80	38.90	40.60	100.00	0.00	0.05	0.05	93.8%	2	681
238	5	159.4%	36.22	33.30	35.90	105.00	0.00	0.75	0.28	121.5%	4	315
158	1	117.3%	30.75	28.90	31.70	110.00	0.00	0.75	0.38	104.8%	1	488
604	1	101.6%	33.40	23.90	26.80	115.00	0.00	0.75	0.15	88.6%	9	68
171	8	93.1%	21.00	19.10	22.20	120.00	0.00	0.95	0.37	76.8%	126	273
188	1	82.6%	16.00	14.60	17.40	125.00	0.35	1.15	0.77	68.6%	4	398
837	1	74.2%	12.70	10.40	12.90	130.00	1.10	2.20	1.52	68.4%	8	202
886	1	74.0%	7.80	7.40	9.10	135.00	2.60	3.80	2.65	68.6%	3	164
FORM $139.67
1,568	19	72.7%	5.80	4.70	6.20	140.00	4.80	5.50	4.70	64.5%	5	376
217	3	76.3%	3.72	2.60	4.80	145.00	7.70	9.40	7.70	69.7%	200	1,347
696	11	68.6%	2.10	0.95	2.65	150.00	10.70	13.20	10.70	65.6%	1	200
223	2	78.2%	1.00	0.65	2.20	155.00	14.30	17.30	12.70	55.9%	2	51
264	3	71.5%	0.60	0.05	1.10	160.00	18.90	22.30	15.86	60.3%	—	3
28	1	78.6%	0.41	0.00	0.90	165.00	23.60	27.00	18.95	111.5%	50	50
80	3	85.8%	0.87	0.00	0.75	170.00	—	—	—	—	—	—
92	1	105.3%	0.71	0.05	1.15	175.00	—	—	—	—	—	—
1,049	4	87.3%	0.05	0.00	0.25	180.00	—	—	—	—	—	—
613	1	88.7%	0.08	0.00	0.15	185.00	43.20	46.90	82.30	156.0%	1	0
41	5	99.6%	0.15	0.00	0.20	190.00	48.30	51.90	54.20	166.2%	6	3
142	10	90.6%	0.10	0.00	0.05	195.00	53.30	56.90	88.90	176.0%	1	0
122	1	149.3%	0.05	0.00	1.15	200.00	58.30	61.90	94.00	185.4%	8	0
20	1	164.8%	0.10	0.00	1.15	210.00	—	—	—	—	—	—
71	1	179.4%	1.40	0.00	1.15	220.00	83.00	85.70	86.10	280.7%	—	1
71	1	193.1%	0.10	0.00	1.15	230.00	117.90	121.60	86.30	671.2%	—	11

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 FORM put/call ratio?

For the October 16, 2026 expiration, the FORM put/call ratio based on open interest is 0.92 (8,572 puts vs 9,317 calls), and 3.84 based on today's volume. A ratio above 1 means more puts than calls.

What is FORM's implied volatility?

At-the-money implied volatility for FORM options expiring October 16, 2026 is about 68.6%, an annualized estimate of how much the market expects FormFactor FormFactor stock to move.

How many FORM option expiration dates are there?

FORM has 6 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

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.