Unverified50% confidenceSolutionExact time
Due to the exponential nature of the decay formula, the first few hours after a post is published are the decisive window, with early votes having the highest marginal value.
1
Sources
50%
Confidence
Long-term
Relevance
9/20/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedHacker News's ranking algorithm combines vote count, comment count, and a time decay factor.67% similarVerifiedHacker News's ranking algorithm uses a time-decay weighted formula: score = (upvotes - 1) / (hours since posting + 2)^1.8.63% similarUnverifiedResearch shows that the correlation between news sentiment and short-term stock price movements is typically most pronounced within 1–3 trading days after news publication, after which it decays rapidly.62% similarUnverifiedReddit's Upvote/Downvote voting mechanism is mathematically biased toward rapidly consumable content, a phenomenon known as the 'Fluff Principle.'58% similarUnverifiedReddit's voting mechanism (upvote/downvote) amplifies a dominant sentiment in the early stages of a discussion.56% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/936702API
curl https://kongchang.com/api/v1/knowledge/claims/936702MCP
get_claim(id=936702)