Ballard Power Systems (BLDP) Options Chain

NASDAQ: BLDPEnergyIndustrial Machinery/ComponentsUSD

1.91-0.03 (-1.55%)

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

Expiration date

Expiration: May 21, 2027
Days to expiration: 223
Share price: $1.91
Put/call ratio (OI): 1.24
Put/call ratio (volume): 3.58
ATM implied volatility: 81.2%
Expected move: ±$1.21
Open interest (C / P): 168 / 208

BLDP options summary

The BLDP options chain for the May 21, 2027 expiration lists 4 call and 6 put contracts, with 223 days until expiration. Open interest stands at 168 calls and 208 puts, a put/call ratio of 1.24, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $2.00 strike is 81.2%, which implies the market expects a move of about ±$1.21 (63.4%) in Ballard Power Systems stock by expiration.

The most open interest sits at the $3.00 call (120 contracts) and the $2.00 put (95 contracts).

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

BLDP options chain · May 21, 2027

BLDP 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
—	—	—	—	—	—	1.00	0.00	0.10	0.05	73.4%	1	2
—	—	—	—	—	—	1.50	0.15	0.30	0.20	76.2%	1	4
BLDP $1.91
10	1	95.5%	0.70	0.45	0.60	2.00	0.40	0.50	0.47	66.8%	32	95
120	5	88.9%	0.25	0.15	0.35	3.00	1.05	1.45	1.25	72.7%	2	15
10	1	86.3%	0.15	0.05	0.20	4.00	1.95	2.30	2.02	61.7%	4	38
28	5	88.3%	0.10	0.05	0.10	5.00	2.85	3.30	2.95	119.1%	3	54

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 BLDP put/call ratio?

For the May 21, 2027 expiration, the BLDP put/call ratio based on open interest is 1.24 (208 puts vs 168 calls), and 3.58 based on today's volume. A ratio above 1 means more puts than calls.

What is BLDP's implied volatility?

At-the-money implied volatility for BLDP options expiring May 21, 2027 is about 81.2%, an annualized estimate of how much the market expects Ballard Power Systems stock to move.

How many BLDP option expiration dates are there?

BLDP has 6 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.