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: Dec 17, 2027
Days to expiration: 432
Share price: $263.90
Put/call ratio (OI): 0.11
Put/call ratio (volume): 3.46
ATM implied volatility: 78.3%
Expected move: ±$224.89
Open interest (C / P): 1.37K / 144

SIMO options summary

The SIMO options chain for the December 17, 2027 expiration lists 33 call and 22 put contracts, with 432 days until expiration. Open interest stands at 1,369 calls and 144 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $260.00 strike is 78.3%, which implies the market expects a move of about ±$224.89 (85.2%) in Silicon Motion Technology stock by expiration.

The most open interest sits at the $250.00 call (931 contracts) and the $160.00 put (60 contracts).

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

SIMO options chain · December 17, 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
4	1	86.2%	177.20	167.00	176.00	105.00	5.00	9.00	9.50	71.0%	10	13
85	2	84.9%	185.83	163.00	172.00	110.00	6.00	14.20	13.64	76.4%	6	12
—	—	—	—	—	—	115.00	11.00	21.00	28.47	86.7%	—	1
0	1	—	153.58	0.00	0.00	120.00	8.00	16.20	18.00	74.6%	—	1
2	2	83.7%	160.00	153.00	161.00	125.00	0.00	0.00	24.80	12.5%	—	0
0	—	—	152.00	0.00	0.00	130.00	16.00	25.00	34.90	84.8%	—	1
—	—	—	—	—	—	135.00	12.00	21.00	19.08	74.1%	—	3
—	—	—	—	—	—	140.00	13.00	23.00	16.20	73.7%	2	5
6	—	82.3%	119.80	136.00	146.00	150.00	—	—	—	—	—	—
0	—	—	139.95	0.00	0.00	155.00	18.00	27.00	21.00	72.0%	2	3
50	—	82.4%	117.00	131.00	140.00	160.00	20.00	29.00	22.60	72.0%	126	60
—	—	—	—	—	—	180.00	28.00	37.00	37.00	71.2%	6	12
0	—	—	127.83	0.00	0.00	185.00	—	—	—	—	—	—
7	1	80.1%	131.35	114.00	123.00	190.00	32.00	41.00	53.00	70.3%	2	13
1	1	79.9%	129.50	112.00	120.00	195.00	—	—	—	—	—	—
7	1	79.7%	126.55	109.00	118.00	200.00	37.00	44.80	43.30	69.7%	1	1
1	—	79.6%	120.25	105.00	113.00	210.00	52.00	61.00	80.38	81.2%	—	2
18	2	78.8%	107.12	100.00	108.00	220.00	47.00	56.00	51.10	69.7%	1	3
4	1	78.8%	114.50	96.00	104.00	230.00	52.00	61.00	52.90	69.0%	1	1
18	2	79.1%	111.00	92.00	100.80	240.00	58.00	66.00	58.00	68.6%	1	11
931	1	78.3%	104.00	88.00	96.00	250.00	64.00	72.00	87.51	68.5%	1	1
7	1	78.3%	105.03	84.00	93.00	260.00	—	—	—	—	—	—
SIMO $263.90
10	1	78.2%	101.17	81.00	89.00	270.00	76.00	84.00	74.10	67.8%	2	0
11	1	77.9%	96.00	77.00	86.00	280.00	—	—	—	—	—	—
8	1	77.9%	93.50	74.00	83.00	290.00	—	—	—	—	—	—
46	2	77.3%	89.00	71.00	79.00	300.00	95.00	104.00	126.46	67.0%	1	1
8	2	77.2%	88.00	68.00	76.00	310.00	0.00	0.00	135.00	—	—	0
3	1	77.3%	87.07	65.00	74.00	320.00	—	—	—	—	—	—
3	6	76.8%	83.30	62.00	71.00	330.00	—	—	—	—	—	—
1	4	77.2%	79.10	60.00	69.00	340.00	—	—	—	—	—	—
2	1	76.6%	75.26	57.00	66.00	350.00	—	—	—	—	—	—
17	6	76.8%	72.10	55.00	64.00	360.00	—	—	—	—	—	—
40	2	77.3%	69.99	54.00	62.00	370.00	0.00	0.00	177.30	—	4	0
11	1	76.4%	68.02	50.00	60.00	380.00	—	—	—	—	—	—
50	2	75.9%	50.70	48.00	57.00	390.00	—	—	—	—	—	—
8	2	76.2%	62.20	46.00	56.00	400.00	—	—	—	—	—	—
10	—	76.5%	62.96	45.00	54.00	410.00	—	—	—	—	—	—

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 SIMO put/call ratio?

For the December 17, 2027 expiration, the SIMO put/call ratio based on open interest is 0.11 (144 puts vs 1,369 calls), and 3.46 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 December 17, 2027 is about 78.3%, 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.