GOOGL calendar call spread: selling time twice

$356.13Alphabet Inc. Class A Common Stock · chain snapshot captured Aug 1, 2026

The calmest of the mega-caps on a vol basis — realized vol usually sits below its peers, so the standard premium-selling complaint is that the credit is thin. It also now pays a dividend, which puts early assignment back on the table for ITM short calls.

A calendar sells the Aug 28 $355 call and buys the same strike Sep 18 — $365 debit on GOOGL at $356.13. You are not betting on direction; you are betting that the 27-day option decays faster than the 48-day one you own, which it does, as long as GOOGL stays near $355.

The trade, priced from the chain

27d to August 28, 2026

Leg	Qty	Price	Δ	IV	Cash
SellAug 28 $355 call	1	$14.75	0.52	35%	+$1,475
BuySep 18 $355 call	1	$18.40	0.53	35%	−$1,840

Net debit

$365

Max profit

$875

Max loss

$365

Chance of profit

54%

Breakevens

$331.71 / $384.16

−6.9% / +7.9%

$313.36 – $402.52 price rangespot $356.13breakeven $331.71 · $384.16P/L at near expiry

Open this calendar call spread 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 calendar call spread works

Same strike, two expiries. The short Aug 28 call decays on a steep curve; the long Sep 18 call decays on a shallow one. The difference between those two decay rates is the entire profit engine — which is why the position wants the stock to sit still.

Max profit occurs with GOOGL pinned at $355 on August 28, 2026: the short call expires worthless and you still own a 21-days-longer call. The engine values that peak at $875 against the $365 debit, which is also the maximum loss.

Calendars are LONG vega, unlike most short-premium trades. The back month has more vega than the front, so rising implied vol helps you. At 33% ATM on the front expiry, GOOGL is the 13th richest of the 20 underlyings on this site — calendars are best opened when front-month vol is rich relative to the back.

Because the legs expire on different dates, there is no single expiry payoff: the numbers on this page are marked to model at the near expiry (August 28, 2026) using each leg's own implied vol — the same convention the builder uses.

When it makes sense

You expect GOOGL to go quiet for 27 days and then move — the classic pre-catalyst setup.
Front-month IV is elevated relative to the back month (a flat or inverted term structure). You are selling the expensive expiry and buying the cheap one.
You want to own the back-month call eventually and would rather be paid to wait for it.
The position is small enough that a total loss is uninteresting, because long-vol structures reach zero on a regular schedule.

Where the risk actually is

The loss shape is a tent: profitable near $355, losing as GOOGL moves either way. A large move in EITHER direction costs money — calendars are short gamma even though they are long vega.

Vol term structure can move against you: if back-month IV falls while front-month holds, the position loses on vega even with the stock exactly where you wanted it.

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 GOOGL

Cheapest large-cap vol on this list in absolute terms, and the only mega-cap where an argument for owning it on valuation grounds is easy to make. The catch is that cheap vol stays cheap until a headline, and theta collects the whole time you wait.

GOOGL's Aug 28 strikes are $5 apart near the money (1.40% of spot). Coarse enough that the strike you want frequently does not exist, and the nearest rung is a different trade. 30k contracts of open interest on Aug 28 is workable around the money and thin in the wings — width costs more here than the ladder suggests. 28 strikes on that expiry — 45% 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. Tight and deep; a fine strike ladder makes precise strike selection genuinely possible.

Skew is inverted: the 25-delta CALL implies 2.0% 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 33% ATM implied vol, the Aug 28 options are pricing a one-standard-deviation move of $31.76 over 27 days — roughly −8.9% to +8.9%, or $324.37 to $387.89. The implied move is the market's bid for the exact thing this structure is long. Buying it at fair value and hoping is not a strategy.

What actually goes wrong here, as opposed to in general: Writing calls at a delta borrowed from a higher-vol name. The same 0.30 delta buys far less premium here, and the assignment odds are identical.

Picking the strike on GOOGL

The strike is your forecast for where GOOGL sits on August 28, 2026, and the expiry gap sets how much time you're buying:

Band	What it means	When it fits
ATM strike	Maximum time-decay differential	The neutral construction, quoted above at $355.
OTM call strike	A directional lean upward	Cheaper, profits if the stock drifts toward the strike by the near expiry.
Narrow expiry gap	Front and back close together	Smaller debit, smaller edge. Decay differential needs room to work.
Wide expiry gap	27d vs 48d here	More vega, more debit, more exposure to term-structure moves.

The chain below shows the Aug 28 calls. Compare the ATM IV there with the back month: if the front is not richer, the calendar's core edge is missing.

Across the nine rungs below, the premium runs 4.7× from the cheapest strike to the richest — that curve is the whole strike-selection decision, drawn. Open interest concentrates at $350 on this expiry, which is usually where the fills are cleanest.

GOOGL 2026-08-28 calls 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
$335	−5.9%	$27.18	0.72	40%	7.6%	103%	658
$340	−4.5%	$25.00	0.68	39%	7.0%	95%	1.1k
$345	−3.1%	$21.10	0.63	37%	5.9%	80%	434
$350	−1.7%	$17.16	0.58	36%	4.8%	65%	1.2k
$355used	−0.3%	$14.75	0.52	35%	4.1%	56%	380
$360	+1.1%	$11.34	0.46	35%	3.2%	43%	584
$365	+2.5%	$9.62	0.40	35%	2.7%	37%	397
$370	+3.9%	$8.20	0.35	35%	2.3%	31%	654
$375	+5.3%	$5.80	0.29	34%	1.6%	22%	552

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

Managing the position

Roll the short call out for a credit when it expires worthless — that converts the position into a diagonal and reduces basis on the long call.
Exit if the stock moves more than roughly half the distance to your nearest wing; the tent shape means losses accelerate away from the strike.
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.
Delta-hedging turns a directional accident back into a vol position, but only if you actually do it on a schedule. Ad-hoc hedging is just trading the stock with extra steps.

Common mistakes

Treating it as a short-vol trade

Calendars are long vega. A vol crush after earnings hurts the back month more than it helps the front — the opposite of what most people expect from a "premium selling" structure.

Forgetting the legs expire separately

On August 28, 2026 you still own a Sep 18 call. That is a position, and it needs a plan of its own.

Holding through the crush

Implied vol collapses the morning after a scheduled event, and it collapses on both legs at once. Being right about the direction rarely covers it.

GOOGL calendar call spread FAQ

What is the max loss?

The $365 debit. It is realized when GOOGL moves far enough in either direction that both calls converge in value at the near expiry.

Why does this page show a modelled payoff instead of an expiry payoff?

Because the legs expire on different dates — August 28, 2026 and the Sep 18 expiry. The engine marks the position to model at the near expiry using each leg's own implied vol, which is the only honest way to draw a calendar's P/L.

Should I use the Aug 28 or the Sep 18 expiry on GOOGL?

The two captured expiries imply nearly the same volatility, so there is no calendar edge to pick up — choose the expiry on the thesis and the time you need, not on the surface.

How wide are GOOGL option strikes?

About $5 apart near the money on the Aug 28 expiry — 1.40% 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 GOOGL chain — free, no account.

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