How to Buy and Sell Call Options (SPY Example)

Call option na di right to buy 100 shares of one stock for one fixed price (wey dem dey call strike) before one set date. To buy one call mean say you go pay premium from your pocket for dat right. To sell one call to close mean say you dey give di contract back to di market for any price wey e get on any trading day before expiry. Wetin follow na di full round trip of one real long call, from entry to exit, for stored prices.

Di contract na SPY $740 call wey go expire June 18, 2026. For May 1 e cost $7.22 per share. One contract control 100 shares, so to open am e cost about $722. Dat $722 na di full risk for di trade. If SPY finish below di $740 strike for expiry, di call go expire worthless and di buyer don lose only di premium. No how stock go move, e no fit cost call buyer pass wetin dem pay to open di position.

Wetin you pay, and wetin you fit make

Your breakeven for expiry na strike plus premium: $740 + $7.22 = $747.22. Below $747.22 on expiration day, di position dey net negative; above am, di call go pay one dollar for every dollar wey SPY clear di strike, and no ceiling for upside. Di premium na di floor under di loss and di toll for every gain.

Dis na wetin dis one contract do across im seven-week life:

SELECT date,
       round(avg(option_close), 2) AS call_price
FROM global_markets.options_greeks
WHERE ticker = 'O:SPY260618C00740000' AND date BETWEEN '2026-05-01' AND '2026-06-15' AND implied_volatility > 0.02
GROUP BY date ORDER BY date

Di call open at $7.22 and close im last clean session at $15.41. Di path between no be straight line at all, and di place wey buyer choose to sell na wetin decide everything.

Di winning exit and di crush

Look dis same contract for four moments: di entry, im peak, im low, and one late rally.

WITH entry AS (
  SELECT option_close AS premium
  FROM global_markets.options_greeks
  WHERE ticker = 'O:SPY260618C00740000' AND date = '2026-05-01' AND implied_volatility > 0.02
)
SELECT multiIf(g.date = '2026-05-01', 'Entry (May 1)',
               g.date = '2026-06-02', 'Peak (Jun 2)',
               g.date = '2026-06-10', 'Trough (Jun 10)', 'Rally (Jun 15)') AS stage,
       round(g.underlying_close, 2) AS spy_price,
       round(g.option_close, 2) AS call_price,
       round(g.option_close / e.premium, 2) AS x_entry,
       round((g.option_close - e.premium) * 100, 0) AS pnl_per_contract
FROM global_markets.options_greeks g, entry e
WHERE g.ticker = 'O:SPY260618C00740000'
  AND g.date IN ('2026-05-01', '2026-06-02', '2026-06-10', '2026-06-15')
  AND g.implied_volatility > 0.02
ORDER BY g.date

For June 2 peak, di call worth $23.5, about 3.25 times di premium, one gain of about $1628 on one single contract. Buyer wey sell to close dat morning don cash am. Buyer wey hold am watch SPY slide to $722.88 for di next week, and di call fall to $3.17 by June 10, only 0.44 times wetin dem pay. Dat na di crush: call dey lose value fast when stock fall or calendar run down, and for early June both press at di same time. Di contract then rally back to $15.41 by June 15, one gain of about $819, but e still no reach di peak.

Sell to close versus hold to expiry

To sell to close na to lock in any value wey di option get dat moment, whether gain or loss, and comot di trade. To hold to expiry na to bet on where SPY go land on di last day, and every day wey you dey wait, time decay dey grind small-small out of di premium: see option theta, and when options expire for how dem set di clock. Di peak and di trough sit nine trading sessions apart. Same contract, same buyer, opposite outcomes — only exit separate dem.

Why di call move pass SPY well well

Index di stock and di option to their May 1 values and dem dey tell different stories:

SELECT date,
       round(spy / first_value(spy) OVER w * 100, 1) AS spy_index,
       round(opt / first_value(opt) OVER w * 100, 1) AS call_index
FROM (
  SELECT date, avg(underlying_close) AS spy, avg(option_close) AS opt
  FROM global_markets.options_greeks
  WHERE ticker = 'O:SPY260618C00740000' AND date BETWEEN '2026-05-01' AND '2026-06-15' AND implied_volatility > 0.02
  GROUP BY date
)
WINDOW w AS (ORDER BY date)
ORDER BY date

SPY finish di window near 104.7 on dat scale, about five points above im start. Di call, wey dem index di same way, more than triple for di peak and fall below half of im starting value for di trough, wey e close near 213.4. Dat amplification na leverage: one contract control 100 shares for small fraction of their cost, so small percentage move for di stock become large percentage move for di option. Once SPY push well above di strike, di call start to track am almost one-for-one, as im delta dey climb toward 1. Di full mechanics of dat sensitivity na di option greeks, and di volatility spike wey you see for early June na implied volatility repricing di whole option chain.

FAQ

How much e go cost to buy call option?

You go pay di premium, wey dem quote per share, times 100 shares per contract. Dis SPY $740 call cost $7.22 per share for May 1, or about $722 for one contract. Dat premium na di highest way call buyer fit lose.

You fit sell call option before e expire?

Yes. Most call buyers dey sell to close for open market instead of to exercise di option. You fit comot for any trading day wey di contract dey open, and you go capture im current value. For dis call June 2 peak, dat value na $23.5, against di $7.22 wey dem pay to enter.

Wetin be di highest way you fit lose when you buy call?

Di premium, and only di premium. To buy call carry one fixed, known maximum loss wey equal to wetin you pay to open am. If stock never clear strike plus premium, di call go expire worthless and dat premium na di full loss.

Why call options dey lose value when stock drop?

Call dey gain when stock rise and e dey lose when e fall, and leverage dey amplify am. Dis call fall from $23.5 to $3.17 across nine sessions as SPY drop and calendar run down together. Falling stock and passing days both dey drain one long call.

Every price wey dey up na stored query wey you fit rerun for Strasmore terminal.