Syndax Pharmaceuticals (SNDX) Options Chain

NASDAQ: SNDXHealth CareBiotechnology: Pharmaceutical PreparationsUSD

16.99+0.09 (+0.53%)

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

Expiration date

Expiration: Apr 16, 2027
Days to expiration: 187
Share price: $16.99
Put/call ratio (OI): 0.23
Put/call ratio (volume): 0.71
ATM implied volatility: 70.9%
Expected move: ±$8.62
Open interest (C / P): 135 / 31

SNDX options summary

The SNDX options chain for the April 16, 2027 expiration lists 13 call and 9 put contracts, with 187 days until expiration. Open interest stands at 135 calls and 31 puts, a put/call ratio of 0.23, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.00 strike is 70.9%, which implies the market expects a move of about ±$8.62 (50.7%) in Syndax Pharmaceuticals stock by expiration.

The most open interest sits at the $28.00 call (100 contracts) and the $25.00 put (15 contracts).

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

SNDX options chain · April 16, 2027

SNDX 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
3	—	81.5%	5.90	3.40	7.10	14.00	0.20	3.10	1.10	66.3%	1	2
—	—	—	—	—	—	15.00	0.60	4.50	1.45	76.5%	1	2
1	—	74.1%	4.30	2.35	5.60	16.00	1.05	4.90	1.80	73.9%	—	1
SNDX $16.99
14	13	73.4%	4.70	1.95	5.10	17.00	1.70	4.90	3.20	68.4%	—	4
—	—	—	3.70	—	—	18.00	2.50	5.80	3.80	73.2%	—	4
—	—	—	—	—	—	19.00	3.10	6.70	2.90	75.0%	—	1
6	5	82.3%	2.90	1.20	4.70	20.00	3.80	7.50	3.40	76.0%	—	1
6	4	75.0%	2.60	0.75	3.90	21.00	4.50	8.40	4.00	77.4%	—	1
1	—	82.6%	4.25	0.70	4.20	22.00	—	—	—	—	—	—
1	—	82.5%	2.00	0.45	4.00	23.00	—	—	—	—	—	—
1	—	80.9%	2.30	0.30	3.60	24.00	—	—	—	—	—	—
0	1	72.6%	1.50	0.20	2.60	25.00	7.80	11.30	8.30	75.8%	15	15
1	—	83.0%	1.30	0.10	3.30	26.00	—	—	—	—	—	—
1	—	91.9%	1.65	0.70	3.20	27.00	—	—	—	—	—	—
100	1	86.0%	1.45	0.00	3.10	28.00	—	—	—	—	—	—

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 SNDX put/call ratio?

For the April 16, 2027 expiration, the SNDX put/call ratio based on open interest is 0.23 (31 puts vs 135 calls), and 0.71 based on today's volume. A ratio above 1 means more puts than calls.

What is SNDX's implied volatility?

At-the-money implied volatility for SNDX options expiring April 16, 2027 is about 70.9%, an annualized estimate of how much the market expects Syndax Pharmaceuticals stock to move.

How many SNDX option expiration dates are there?

SNDX has 5 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.