What a COIN straddle actually costs

$146.26Coinbase Global, Inc. Class A Common Stock · chain snapshot captured Aug 1, 2026

A crypto proxy with equity-market hours. IV in the 60s–90s is routine, the chain is liquid enough for spreads, and the overnight gap risk is real because the underlying asset trades while the options market is closed.

Buying the Aug 28 $146 call and put together on COIN costs $1,985. That is the market's price for 27 days of movement in either direction, and it is the cleanest read on what 73% implied vol actually means: COIN has to close beyond $126.15 or $165.85 — a 13.6% move — before you make a cent.

The trade, priced from the chain

27d to August 28, 2026

Leg	Qty	Price	Δ	IV	Cash
BuyAug 28 $146 call	1	$10.80	0.55	75%	−$1,080
BuyAug 28 $146 put	1	$9.05	-0.46	70%	−$905

Net debit

$1,985

Max profit

Unlimited

Max loss

$1,985

Chance of profit

49%

Breakevens

$126.15 / $165.85

−13.7% / +13.4%

$112.25 – $179.75 price rangespot $146.26breakeven $126.15 · $165.85P/L at expiration

Open this long straddle in the builderLoads these exact legs and re-quotes them live. No account needed.

Every leg above is priced at the chain’s own quote — the identical number the builder will show you when you click through (last traded price), captured August 1, 2026 with a 15-minute delay. Only strikes whose print survives an implied-volatility check (within 20% of its own IV) and a no-arbitrage check across the ladder are priced here. Full methodology. Greeks, breakevens, max profit/loss and probability of profit are computed by OptionTracker’s engine at r = 4.2%. Educational analysis, not investment advice.

How a long straddle works

A straddle is a pure volatility position. Both legs sit at $146, so the structure starts delta-neutral: you have no directional opinion, only a view that the realized move will exceed the 13.6% the market is charging.

Max loss is the full $1,985 debit, suffered if COIN pins exactly at $146 on August 28, 2026. Upside is unlimited above the call breakeven and very large below the put one — which is why the engine reports max profit as unlimited.

Theta is the enemy and it is brutal on an ATM straddle: both legs are pure extrinsic value, decaying every day, accelerating into expiry. The engine's 49% probability of profit reflects that — straddles are low-probability, high-payoff trades by construction.

Vega is the friend. Rising implied vol lifts both legs regardless of direction, which is why straddles are often bought weeks before bitcoin's tape and sold into it rather than held through it.

When it makes sense

You expect a move materially bigger than 13.6% and you genuinely do not know the direction.
You want long vega ahead of an event, with the intention of exiting before the crush rather than through it.
You need a hedge with unbounded convexity and can accept losing the entire premium.
You have a view on volatility itself, expressed as a number, not just a feeling that something is about to happen.

Where the risk actually is

Time is a fixed cost. Over 27 days the position bleeds theta continuously, and the bleed accelerates in the final two weeks. A straddle held to expiry with no move loses 100%.

Max loss $1,985 is genuinely reachable — a pin at the strike is not exotic, it is the single most likely close in a quiet tape.

Pinning is not exotic. The most likely single close for a quiet underlying is near the strike you bought, and that is where a long-vol structure loses the most.

What is different about doing this on COIN

One of the few names where a long straddle can be justified on level rather than timing: realized vol has repeatedly exceeded implied over multi-week windows when crypto trends. The cost is that theta on a 70-vol ATM straddle is punishing, so the position needs the move within weeks, not months.

COIN's Aug 28 strikes are $2.5 apart near the money (1.71% of spot). That is a coarse ladder: one rung is a large fraction of the implied move, so precision on the short strike is an illusion. 5.5k contracts of open interest on Aug 28 is thin, and a structure that needs four separate fills will pay for it. 27 strikes on that expiry — 33% of the board — carry prints that agree with their own implied volatility and hold up across the ladder, and those are the strikes priced here. Workable around the money, genuinely thin in the wings. Price your condor width against the open interest, not the ladder.

Skew is inverted: the 25-delta CALL implies 1.7% more vol than the put. That is the market pricing upside risk above downside risk — a squeeze, a takeover rumour, or a crowded short. Owning upside on an inverted skew means paying the expensive side of the surface, which is worth knowing before you buy the call. The term structure is flat inside 1.5% between the two captured expiries, so there is no calendar edge to harvest and no event visibly priced into one month over the other.

At 73% ATM implied vol, the Aug 28 options are pricing a one-standard-deviation move of $28.93 over 27 days — roughly −19.8% to +19.8%, or $117.33 to $175.19. Owning vol here means believing COIN covers more than 19.8% in 27 days, and covering it in time.

What actually goes wrong here, as opposed to in general: Weekend gap risk. Every other name on this list stops moving at the close on Friday; the asset behind this one does not.

Picking the strike on COIN

A straddle is by definition ATM, so the choices are expiry and whether to widen into a strangle. Deltas on COIN at $146.26:

Band	What it means	When it fits
ATM (0.50 Δ call + −0.50 Δ put)	The textbook straddle	Maximum vega and gamma per dollar; also maximum theta. The construction quoted above.On COIN: the Aug 28 $150 put at $12.98, 120% annualized
Nearest listed strike	Rarely exactly 0.50 Δ	On COIN the closest strike to $146.26 is $146 — a small directional lean is unavoidable.
Widen to a strangle	Cheaper, needs a bigger move	Lower debit, worse breakevens. Compare both before committing.
Longer expiry	More vega, slower decay	If the thesis is vol expansion rather than a dated event, buy time.

The Aug 28 call chain below shows how quickly extrinsic value falls away from the money — that curve is exactly what you are paying for when you buy both sides at the same strike.

The premium varies 8.1× across the nine strikes below. Everything the delta table is trying to tell you is visible in that gradient. Open interest concentrates at $130 on this expiry, which is usually where the fills are cleanest.

COIN 2026-08-28 puts around the money: strike, distance from spot, mid price, delta, implied volatility and open interest.
Strike	vs spot	Mid	Δ	IV	% of spot	Ann.	OI
$125	−14.5%	$2.48	-0.17	68%	1.7%	23%	76
$130	−11.1%	$3.85	-0.24	71%	2.6%	36%	703
$135	−7.7%	$5.50	-0.30	71%	3.8%	51%	51
$140	−4.3%	$7.35	-0.37	71%	5.0%	68%	319
$146used	−0.2%	$9.05	-0.46	70%	6.2%	84%	12
$150	+2.6%	$12.98	-0.51	70%	8.9%	120%	127
$155	+6.0%	$13.70	-0.59	68%	9.4%	127%	57
$160	+9.4%	$18.25	-0.65	68%	12.5%	169%	117
$162.5	+11.1%	$20.06	-0.69	68%	13.7%	185%	120

COIN puts expiring August 28, 2026· 15-min delayed capture · “Ann.” annualizes the mid as a percentage of spot over 27 days.

Managing the position

Consider closing the losing leg only if you have converted to a directional view — otherwise you have turned a vol trade into a naked option.
Do not hold ATM straddles into the last week without a reason. Theta there is the steepest part of the curve.
Enter long vol before the crowd and exit into the bid. The reliable money in owning volatility comes from the ramp in implied vol, not from the realized move after it.
Have a vega target as well as a price target. If the position is up because implied vol rose and the stock has not moved, that is the trade working — take it.

Common mistakes

Buying the straddle the day before the event

Everyone knows the event is coming, so IV already prices it. The $1,985 you pay is the consensus estimate of the move; you need to beat it, not match it.

Confusing a big move with a profit

Breakevens are $126.15 and $165.85. A 6.8% move — which feels dramatic intraday — still loses money here.

Sizing a long-vol position like an equity position

These structures lose 100% routinely and by design. The size should assume the debit goes to zero, because over a long enough sample it repeatedly does.

COIN long straddle FAQ

How big a move does the COIN straddle need?

13.6% in either direction by August 28, 2026 — breakevens sit at $126.15 and $165.85. That is the implied move the 73% IV is quoting for 27 days.

What is the max loss?

$1,985 — the full debit — realized if COIN closes exactly at $146 on August 28, 2026. Practically, any close near the strike loses most of it.

How much is COIN expected to move by Aug 28?

The Aug 28 options imply a one-standard-deviation move of $28.93 — about 19.8% of the COIN share price — over the 27 days to expiry. That is the market's estimate, not a forecast: roughly a third of the time the actual move is larger.

How wide are COIN option strikes?

About $2.5 apart near the money on the Aug 28 expiry — 1.71% of the share price per rung. That sets how precisely you can place a short strike, and how granular a spread's width can be.

Build it yourself

Everything above is one construction at one moment. Open it in the builder to drag strikes along the ladder, scrub the expiry, and watch max profit, breakevens and probability of profit recompute live against the real COIN chain — free, no account.

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