Published 27 October 2026
25–27 October retrospective research exercises
Three distinct original-source studies. The 25 and 26 October URL dates are archive slots; all three articles were published 27 October.
Trace a physical shock before making a market claim
Retrospective 27 October study · published 27 October 2026. Original source dated 23 October.
Read exerciseMake an earnings comparison without switching populations
Retrospective 26 October study · published 27 October 2026. Original source dated 22 October.
Read exerciseBuild a borrowing-versus-debt evidence card
Retrospective 25 October study · published 27 October 2026. Original source dated 21 October.
Read exerciseComplete date index
Bitcoin blog archive
136 archive studies from 11 June through 24 October 2026. The 16–20 and 22–23 October studies were published retrospectively on 24 October. The September 18–October 14 studies were published retrospectively on 15 October.
October 2026
- Published 24 OctCompare inflation and retail sales without mixing measures
- Retrospective · published 24 OctRetail sales volume is not the same as spending
- Retrospective · published 24 OctAn inflation contribution is not a price forecast
- Published 21 OctDo not put three labour measures on one timeline
- Retrospective · published 24 OctA vacancy is a position, not an unemployed person
- Retrospective · published 24 OctPrepare a release note before the data arrive
- Retrospective · published 24 OctKnow what a Bitcoin full node verifies
- Retrospective · published 24 OctPut bills on a calendar before comparing investments
- Retrospective · published 24 OctA central-bank speech is not a rate decision
- Published 15 OctoberRead household finance data before making a market claim
- Retrospective · published 15 OctReview a plan after the month ends
- Retrospective · published 15 OctA savings goal needs an amount and deadline
- Retrospective · published 15 OctA bill priority plan starts with essentials
- Retrospective · published 15 OctDebt-to-income is a ratio with limits
- Retrospective · published 15 OctA debt log reveals the real payment order
- Retrospective · published 15 OctAn emergency buffer has a job
- Retrospective · published 15 OctSeparate fixed and variable expenses
- Retrospective · published 15 OctA budget is a timing map
- Retrospective · published 15 OctDo not compare returns without the same period
- Retrospective · published 15 OctRebalancing needs a trigger
- Retrospective · published 15 OctA fund wrapper has costs and rules
- Retrospective · published 15 OctDiversification does not remove every risk
- Retrospective · published 15 OctAsset allocation is a written choice
- Retrospective · published 15 OctAn investment goal needs a date
September 2026
- Retrospective · published 15 OctRisk limits come before a price chart
- Retrospective · published 15 OctVolatility changes a payment workflow
- Retrospective · published 15 OctA fee estimate is not a delivery promise
- Retrospective · published 15 OctA confirmation count is a risk decision
- Retrospective · published 15 OctKeep refund instructions separate from the original payment
- Retrospective · published 15 OctUse a new receiving address for clear reconciliation
- Retrospective · published 15 OctBroadcast does not mean final settlement
- Retrospective · published 15 OctAn invoice and a transaction are different records
- Retrospective · published 15 OctMake an inheritance plan without sharing a secret
- Retrospective · published 15 OctWhy software updates belong in a custody plan
- Retrospective · published 15 OctSeparate spending funds from long-term storage
- Retrospective · published 15 OctA backup is only useful if recovery is understood
- Retrospective · published 15 OctInventory every place a wallet can fail
- Published 17 SeptemberKeep published facts and pending releases on separate lines
- Retrospective · published 17 SepRead a policy decision before reading the market reaction
- Retrospective · published 17 SepSeparate the scheduled event from the published evidence
- Published 14 SeptemberBefore the release, write down what would change your mind
- Pre-existing dated pageA macro release is context, not a Bitcoin signal.
- Retrospective · published 13 SepClose a research session with a decision log
- Retrospective · published 13 SepKeep missing evidence visible
- Retrospective · published 13 SepWrite down what would change your mind
- Retrospective · published 13 SepSeparate a research claim from an opinion
- Retrospective · published 13 SepDocument exceptions instead of forcing success
- Retrospective · published 13 SepTimestamp payment observations
- Retrospective · published 13 SepReconcile the invoice and payment separately
- Retrospective · published 13 SepGive a payment workflow distinct states
- Retrospective · published 13 SepUse scenarios without assigning invented probabilities
- Retrospective · published 13 SepSeparate willingness from capacity to take risk
- Retrospective · published 13 SepMeasure risk in spending terms
- Retrospective · published 13 SepTranslate a drawdown into a recovery hurdle
August 2026
- Retrospective · published 13 SepWrite a release note with a reference period
- Retrospective · published 13 SepKeep revisions visible in a research log
- Retrospective · published 13 SepDo not compare unlike time windows silently
- Retrospective · published 13 SepLabel the adjustment basis of a chart
- Retrospective · published 13 SepDo not add monthly percentages mechanically
- Retrospective · published 13 SepKeep a household basket distinct from a broad index
- Retrospective · published 13 SepCalculate a change from the correct base
- Retrospective · published 13 SepSeparate a price level from its growth rate
- Retrospective · published 13 SepReview a buffer after a withdrawal
- Retrospective · published 13 SepTest a budget against delayed income
- Pre-existing dated pageAugust 21: don't confuse a short squeeze with settled demand.
- Retrospective · published 13 SepPlan for an irregular bill explicitly
- Pre-existing dated pageAugust 19: catch up the missing window, then slow down.
- Retrospective · published 13 SepSeparate a cash buffer from a market thesis
- Retrospective · published 13 SepMake fee assumptions visible in a projection
- Retrospective · published 13 SepDistinguish a one-time charge from a recurring cost
- Retrospective · published 13 SepCompare total costs on one basis
- Retrospective · published 13 SepTranslate a fee percentage into money
- Retrospective · published 13 SepDescribe a rebalancing rule before the trigger
- Retrospective · published 13 SepCheck allocation drift with simple arithmetic
- Retrospective · published 13 SepMeasure a position in the whole portfolio
- Retrospective · published 13 SepCount underlying exposures, not fund names
- Retrospective · published 13 SepPreserve a reproducible practice notebook
- Retrospective · published 13 SepRecord expected results before testing
- Retrospective · published 13 SepChange one variable in a transaction experiment
- Retrospective · published 13 SepKeep experiments separate from real balances
- Retrospective · published 13 SepStress-test a mining spreadsheet
- Retrospective · published 13 SepSeparate payout variability from profitability
- Retrospective · published 13 SepCalculate costs before telling a mining story
- Pre-existing dated pageAugust 2: custody risk is the lead story.
- Retrospective · published 13 SepMining averages are not a daily schedule
July 2026
- Retrospective · published 13 SepCompare verification methods by the question
- Retrospective · published 13 SepTreat an unavailable service as an observation gap
- Retrospective · published 13 SepWrite a trust dependency map
- Retrospective · published 13 SepDefine what verified means
- Retrospective · published 13 SepRemove identifying context from teaching examples
- Retrospective · published 13 SepMap the audience before sharing wallet information
- Retrospective · published 13 SepKeep a private ledger and a public explanation
- Retrospective · published 13 SepPublic records need careful sharing
- Retrospective · published 13 SepPractice recovery without risking savings
- Retrospective · published 13 SepBuild a wallet change log
- Retrospective · published 13 SepSeparate backup availability from secrecy
- Retrospective · published 13 SepWrite a recovery plan before an emergency
- Pre-existing dated pageJuly 19: Bitcoin's weekend job is policy and security sorting.
- Pre-existing dated pageJuly 18: the weekend job is verification.
- Retrospective · published 13 SepReconcile a payment in satoshis
- Pre-existing dated pageJuly 16: the bounce still needs proof.
- Pre-existing dated pageJuly 15: inflation relief is useful, but not a blank check.
- Pre-existing dated pageJuly 14: do not trade the headline before checking the source clock.
- Pre-existing dated pageJuly 13: risk-off headlines need flow and source discipline.
- Pre-existing dated pageJuly 12: Sunday source discipline beats forced freshness.
- Pre-existing dated pageJuly 11: weekend price resilience still needs source discipline.
- Pre-existing dated pageJuly 10: price is only one part of the Bitcoin read.
- Pre-existing dated pageJuly 9: source discipline beats prediction after the Fed-minutes bounce.
- Pre-existing dated pageJuly 8: Bitcoin needs risk-off discipline before a price take.
- Pre-existing dated pageJuly 7: Bitcoin needs gateway discipline before a price take.
- Pre-existing dated pageJuly 6: Bitcoin needs a rulebook before a price take.
- Pre-existing dated pageJuly 5: source discipline beats prediction.
- Pre-existing dated pageJuly 4: rulebook risk sits underneath every Bitcoin headline.
- Pre-existing dated pageJuly 3: rulebook risk sits underneath every Bitcoin headline.
- Pre-existing dated pageJuly 2: wrapper risk is the story beneath the price.
- Pre-existing dated pageJuly 1: source discipline beats market noise.
June 2026
- Pre-existing dated pageJune 30: price is only one risk.
- Pre-existing dated pageJune 29: panic is not a process.
- Pre-existing dated pageJune 28: freshness is not the same as noise.
- Pre-existing dated pageJune 27: the drawdown is a systems test.
- Pre-existing dated pageBitcoin Blog - June 26, 2026
- Pre-existing dated pageBitcoin Blog - June 25, 2026
- Pre-existing dated pageBitcoin Blog - June 24, 2026
- Pre-existing dated pageBitcoin Blog - June 23, 2026
- Pre-existing dated pageBitcoin is still a macro asset when the oil map moves.
- Retrospective · published 13 SepWhy a transaction identifier needs an output index
- Pre-existing dated pageTrust is the growth engine.
- Pre-existing dated pageTrust compounds slower than headlines.
- Pre-existing dated pageDo not mistake wrappers for proof.
- Pre-existing dated pageDaily Bitcoin notes without noise.
- Pre-existing dated pageDaily Bitcoin notes without noise.
- Pre-existing dated pageDaily Bitcoin notes without noise.
- Retrospective · published 13 SepRead change before approving a payment
- Retrospective · published 13 SepA wallet balance has separate pieces
- Pre-existing dated pageJune 12, 2026: A rebound is not confirmation.
- Pre-existing dated pageDaily Bitcoin notes without noise.