MapLight Therapeutics (MPLT) Options Chain
NASDAQ: MPLTHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $8.83
- Put/call ratio (OI)
- 0.27
- Put/call ratio (volume)
- 0.05
- ATM implied volatility
- 176.0%
- Expected move
- ±$5.14
- Open interest (C / P)
- 240 / 65
MPLT options summary
The MPLT options chain for the November 20, 2026 expiration lists 9 call and 3 put contracts, with 40 days until expiration. Open interest stands at 240 calls and 65 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.50 strike is 176.0%, which implies the market expects a move of about ±$5.14 (58.3%) in MapLight Therapeutics stock by expiration.
The most open interest sits at the $40.00 call (162 contracts) and the $12.50 put (56 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MPLT options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.00 | 0.10 | 1.80 | 12.50 | 2.10 | 4.80 | 2.90 | |||||
| 0.46 | 0.00 | 0.80 | 15.00 | 1.40 | 4.80 | 6.55 | |||||
| 2.26 | 0.05 | 3.80 | 17.50 | 3.30 | 6.80 | 4.50 | |||||
| 1.95 | 0.05 | 2.90 | 22.50 | — | — | — | |||||
| 14.50 | 17.50 | 22.30 | 30.00 | — | — | — | |||||
| 13.00 | 15.00 | 19.50 | 35.00 | — | — | — | |||||
| 0.05 | 0.00 | 1.90 | 40.00 | — | — | — | |||||
| 0.05 | 0.00 | 1.90 | 45.00 | — | — | — | |||||
| 0.25 | 0.00 | 0.40 | 55.00 | — | — | — | |||||
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 MPLT put/call ratio?
For the November 20, 2026 expiration, the MPLT put/call ratio based on open interest is 0.27 (65 puts vs 240 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.
What is MPLT's implied volatility?
At-the-money implied volatility for MPLT options expiring November 20, 2026 is about 176.0%, an annualized estimate of how much the market expects MapLight Therapeutics stock to move.
How many MPLT option expiration dates are there?
MPLT has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
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.