§ Preset · Buying through the bear
$100 a week from the cycle top
On 10 November 2021, bitcoin reached $69,000 and didn't see that number again for two years. The buyers who started that week are the canonical example of catastrophic timing. This run is what their stack would look like today, deployed at $100 a week without alteration. They bought through the LUNA collapse, the FTX implosion, the November 2022 capitulation, and every false bottom in between. The schedule didn't care about any of it. The output is the answer to "what if I started at the worst possible moment."
$100 weekly · from 2021-11-10 to 2026-05-29
$100 weekly · 10 Nov 2021 → 29 May 2026 · CryptoCompare · daily close
The Stack Report
What if you'd actually
stacked sats?
A historical dollar-cost-average backtester for Bitcoin. Pick an amount, a cadence, a starting date. The numbers don't lie.
Portfolio value, today
$42,451
Fig. 01 — Value vs. Cost Basis
Total invested
$23,800
Buys executed
238
BTC accumulated
₿ 0.574531
Avg. cost basis
$41,425/BTC
Your worst day on paper
−44.0%
$65,911 → $36,905
The story
On 18 Feb 2026, you were down 44% on paper. It hasn't fully come back.
If you'd lump-summed at the start
$27,085
+$3,285
Verdict
DCA won. Patience paid.
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§ More presets
- $100 a week since the COVID lowFrom the March 2020 capitulation
- $50 a month, five yearsA modest stack, plainly
- DCA vs. lump-sum: January 2017Two ways to deploy the same dollars
- DCA from the 2020 halvingSix years through one cycle
- DCA from the 2024 halvingThe new cycle so far
- DCA from the FTX bottomBuying when nobody was