Quarter-by-quarter breakdown
Each observation date in order. The walk stops the instant the note autocalls — later quarters are shown as already redeemed. If the note is never autocalled, the final quarter's row also carries the knock-in verdict.
| Quarter | BTC close | % of initial | Status | Amount paid |
|---|
How it works
Every quarter, the note checks BTC's closing price against three barriers set as a percentage of the initial reference price. First it asks the biggest question: is the price at or above the autocall barrier? If yes, the note redeems immediately, paying back the full principal plus that quarter's coupon — the note is over, and any remaining quarters never happen. If the autocall barrier isn't hit, the note asks a smaller question: is the price at least at the coupon barrier? If yes, you collect that quarter's coupon and the note rolls into the next quarter. If the price is below the coupon barrier, that quarter's coupon is simply withheld — in this simplified model there is no "memory" feature carrying a missed coupon forward to be paid later if the price recovers, so a withheld coupon is gone for good. Only at the very last quarter, and only if the note was never autocalled, does the knock-in barrier come into play: if the final price is at or above it, your principal comes back in full; if it's below, principal protection is gone and you're repaid principal × (final price ÷ initial price) — the same percentage loss a spot holder would have taken, cushioned only by whatever coupons you collected in the stronger quarters along the way.
Reading the two scenarios
The two presets above show the whole range of outcomes. In the autocall scenario, BTC dips to 93.9% and 82.6% of the initial price in Q1 and Q2 — both above the 70% coupon barrier, so each quarter pays a $350 coupon — then Q3 closes at 102.6%, clearing the 100% autocall barrier. The note redeems on the spot: principal ($10,000) plus that quarter's $350 coupon, for a total received of $11,050 across the two prior coupons plus the payout — a +10.5% return in just three quarters (nine months), and the knock-in barrier never even comes into play because the note never reaches maturity. In the knock-in loss scenario, BTC never gets anywhere near the autocall barrier and instead grinds down: coupons are paid in Q1 and Q2 while the price is still above 70% of initial, withheld in Q3 once it drops to 67.8%, and by Q4 the price has fallen to 60.9% of initial — below the 65% knock-in barrier. Principal protection is gone: the payout is principal × (70,000 ÷ 115,000) = $6,086.96, plus the $700 in coupons collected earlier, for a total of $6,786.96 — a -32.1% loss. This is the entire point of the product: it's not a savings account, it's a bet that BTC stays roughly flat-to-up, and unlike the fully-protected sharkfin structured note, a bad enough quarter-four close means you genuinely lose money on your principal, not just miss out on upside. Compare the payoff shape against a dual investment, price the same barriers with real option legs on the crypto options calculator, or check how fast implied volatility (and the premium behind products like this) can collapse with the IV crush calculator.
FAQ
What is a crypto autocallable note?
A crypto autocallable note is a structured product built around three price barriers on an underlying like BTC: an autocall barrier, a coupon barrier, and a knock-in barrier, checked at scheduled observation dates (commonly quarterly) over the note's term. If the price is at or above the autocall barrier on an observation date, the note redeems immediately — it 'autocalls' — paying back the full principal plus that period's coupon and ending the note early. If it isn't autocalled but the price is still at or above the (usually lower) coupon barrier, the investor collects that period's coupon and the note continues. If the price falls below the coupon barrier, that period's coupon is withheld. The knock-in barrier only matters at final maturity if the note has never autocalled: if the price is below it, principal protection disappears and the payout is scaled down by how far the price actually fell. Crypto platforms and structured desks have been packaging this exact shape as a growing 2026 product for yield-seeking BTC holders willing to take on defined principal risk in exchange for a coupon.
How is this different from a principal-protected note?
It's the opposite of principal protection. RektCalc's own sharkfin structured note calculator models a fully capital-protected product: your principal always comes back at maturity no matter where the price ends, and the trade-off is a capped coupon — you give up the biggest part of a rally in exchange for a payoff floor. An autocallable note protects nothing at the low end. As long as the price stays above the knock-in barrier, or the note autocalls early, you do get principal back plus coupons. But once the price is below the knock-in barrier at final maturity, principal is repaid as principal × (final price ÷ initial price) — you take BTC's actual percentage loss on your capital directly, only cushioned by whatever coupons you collected along the way. If you want the shape where you can never lose principal, use the sharkfin calculator instead; this tool is for the note structure where you genuinely can.
What does it mean if the note 'autocalls'?
Autocall means the note redeems early because the price did well. On each quarterly observation date, if the price is at or above the autocall barrier (commonly at or near the initial reference price), the issuer automatically calls the note: you're paid your full principal back plus that period's coupon, and the note terminates on the spot rather than running its full term. This is good for the investor in the sense that it locks in a win the moment conditions are strong — there's no risk of a later downturn erasing that quarter's gain — but it also ends the income stream immediately, so you don't keep collecting coupons for the remaining quarters, and the returned principal has to be redeployed elsewhere to keep earning.
What's the real risk in an autocallable note?
The dangerous scenario is BTC grinding sideways-to-down for the entire term without ever spiking back up to the autocall barrier. As the price drifts down through the coupon barrier, quarterly coupons start getting withheld — in this simplified model there's no 'memory' catch-up, so a missed coupon is gone for good, not paid retroactively later. If that weakness continues all the way to final maturity and the price is still below the knock-in barrier, the note's principal protection is gone: the investor receives principal × (final price ÷ initial price), the same percentage loss a spot holder would have taken, only partially offset by whatever coupons were paid earlier while the price was still strong enough. In the worked knock-in example on this page, three quarters of decline turn a 3.5%-per-quarter coupon note into a -32.1% total return — the coupons collected were real, but nowhere near enough to offset the capital loss.