Silicon Motion Technology (SIMO) Options Chain

NASDAQ: SIMOTechnologySemiconductorsUSD

263.90+2.01 (+0.77%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 160
Share price: $263.90
Put/call ratio (OI): 0.62
Put/call ratio (volume): 0.90
ATM implied volatility: 75.0%
Expected move: ±$131.12
Open interest (C / P): 1.34K / 825

SIMO options summary

The SIMO options chain for the March 19, 2027 expiration lists 31 call and 35 put contracts, with 160 days until expiration. Open interest stands at 1,336 calls and 825 puts, a put/call ratio of 0.62, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $260.00 strike is 75.0%, which implies the market expects a move of about ±$131.12 (49.7%) in Silicon Motion Technology stock by expiration.

The most open interest sits at the $250.00 call (302 contracts) and the $320.00 put (256 contracts).

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

SIMO options chain · March 19, 2027

SIMO 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
1	1	91.8%	164.80	157.70	165.70	105.00	0.15	4.90	1.90	89.7%	3	9
—	—	—	—	—	—	110.00	0.30	6.50	4.70	91.8%	1	3
—	—	—	—	—	—	115.00	0.65	6.40	5.50	88.4%	1	7
—	—	—	—	—	—	120.00	1.05	6.70	6.30	86.5%	1	4
—	—	—	—	—	—	125.00	1.35	7.20	5.80	84.8%	19	20
6	1	86.6%	124.60	135.30	143.40	130.00	4.90	9.10	16.34	93.3%	1	1
10	—	—	157.40	119.00	126.00	135.00	2.35	7.90	8.80	81.3%	1	2
—	—	—	—	—	—	140.00	3.60	8.50	9.05	81.5%	1	9
—	—	—	—	—	—	145.00	3.20	8.70	6.30	77.5%	1	16
8	3	84.9%	102.00	119.00	127.00	150.00	3.50	11.90	9.00	80.3%	3	44
—	—	—	—	—	—	155.00	5.20	10.30	16.98	76.8%	—	1
—	—	—	—	—	—	160.00	6.60	10.60	10.65	76.0%	—	1
—	—	—	—	—	—	170.00	0.00	0.00	30.50	12.5%	—	0
5	4	82.3%	124.70	100.00	107.90	175.00	8.00	15.60	15.00	74.3%	1	4
—	—	—	—	—	—	185.00	12.80	18.40	18.10	76.1%	1	3
—	—	—	—	—	—	190.00	13.60	19.90	20.10	75.0%	2	31
—	—	—	—	—	—	195.00	15.30	21.60	15.13	74.9%	1	2
49	10	80.4%	104.78	83.00	91.00	200.00	16.90	22.40	20.50	73.6%	16	70
27	10	80.0%	98.08	77.00	85.00	210.00	20.00	28.00	20.51	74.4%	1	3
9	1	78.3%	96.00	71.00	78.10	220.00	25.50	30.10	26.40	73.5%	1	15
14	1	78.0%	67.34	66.00	72.30	230.00	28.80	35.50	27.45	72.9%	1	50
43	1	78.2%	74.07	61.00	67.80	240.00	33.00	39.60	31.60	71.6%	1	159
302	1	77.8%	73.20	56.00	63.30	250.00	38.00	47.00	34.00	72.9%	22	25
27	9	77.2%	53.00	51.20	58.80	260.00	44.30	52.00	40.60	72.9%	2	7
SIMO $263.90
31	1	77.8%	51.40	49.10	53.70	270.00	49.90	55.90	54.50	71.1%	1	6
28	2	76.6%	59.06	43.40	50.40	280.00	56.80	62.40	55.80	71.7%	1	4
5	1	77.0%	45.49	40.00	47.50	290.00	—	—	—	—	—	—
60	16	77.4%	40.90	37.50	44.30	300.00	68.10	75.10	73.10	69.7%	1	44
78	1	76.2%	41.50	33.50	40.70	310.00	75.10	82.00	69.60	69.6%	5	21
21	1	76.3%	34.00	32.70	36.20	320.00	82.00	89.50	78.60	69.4%	2	256
35	8	74.6%	30.00	28.10	33.40	330.00	—	—	—	—	—	—
16	2	75.7%	30.40	26.90	31.40	340.00	—	—	—	—	—	—
72	4	75.1%	26.00	23.40	29.70	350.00	—	—	—	—	—	—
33	4	76.7%	24.00	22.90	28.30	360.00	112.80	120.20	112.60	68.6%	—	2
255	5	75.3%	35.20	19.50	26.20	370.00	121.00	129.60	150.42	69.5%	1	1
20	2	76.2%	22.00	20.40	23.00	380.00	129.00	138.00	129.20	69.2%	—	1
17	3	76.9%	32.41	16.40	24.70	390.00	137.30	146.60	135.20	69.0%	—	2
53	1	76.8%	28.86	14.70	23.30	400.00	146.00	155.00	175.82	68.8%	2	2
2	2	76.8%	23.60	13.40	21.90	410.00	—	—	—	—	—	—
10	1	76.9%	23.40	12.20	20.70	420.00	—	—	—	—	—	—
22	6	75.7%	15.93	11.50	17.70	430.00	—	—	—	—	—	—
32	2	77.0%	19.00	10.00	18.50	440.00	—	—	—	—	—	—
45	1	75.9%	14.00	10.40	14.90	450.00	0.00	0.00	237.50	—	1	0

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 SIMO put/call ratio?

For the March 19, 2027 expiration, the SIMO put/call ratio based on open interest is 0.62 (825 puts vs 1,336 calls), and 0.90 based on today's volume. A ratio above 1 means more puts than calls.

What is SIMO's implied volatility?

At-the-money implied volatility for SIMO options expiring March 19, 2027 is about 75.0%, an annualized estimate of how much the market expects Silicon Motion Technology stock to move.

How many SIMO option expiration dates are there?

SIMO has 8 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.