MapLight Therapeutics (MPLT) Options Chain

NASDAQ: MPLTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

8.83-0.32 (-3.50%)

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

Expiration date

Expiration: May 21, 2027
Days to expiration: 222
Share price: $8.83
Put/call ratio (OI): 0.09
Put/call ratio (volume): 0.18
ATM implied volatility: 96.5%
Expected move: ±$6.65
Open interest (C / P): 34 / 3

MPLT options summary

The MPLT options chain for the May 21, 2027 expiration lists 6 call and 1 put contracts, with 222 days until expiration. Open interest stands at 34 calls and 3 puts, a put/call ratio of 0.09, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 96.5%, which implies the market expects a move of about ±$6.65 (75.3%) in MapLight Therapeutics stock by expiration.

The most open interest sits at the $10.00 call (20 contracts) and the $10.00 put (3 contracts).

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

MPLT options chain · May 21, 2027

MPLT 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
MPLT $8.83
20	10	112.7%	2.99	1.50	3.80	10.00	1.10	4.80	2.60	80.4%	2	3
4	—	111.7%	3.35	0.25	3.80	12.50	—	—	—	—	—	—
6	—	107.3%	2.98	0.05	2.90	15.00	—	—	—	—	—	—
1	—	118.6%	1.35	0.00	2.90	17.50	—	—	—	—	—	—
2	1	128.4%	1.15	0.00	2.90	20.00	—	—	—	—	—	—
1	—	136.6%	1.10	0.00	2.90	22.50	—	—	—	—	—	—

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 May 21, 2027 expiration, the MPLT put/call ratio based on open interest is 0.09 (3 puts vs 34 calls), and 0.18 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 May 21, 2027 is about 96.5%, 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.