
Exchange Net Position Change (30d) is the tracked exchange BTC balance minus its level 30 days earlier, measured in BTC. Positive values show reserve growth over the rolling window; negative values show a decline.
Above zero, exchanges hold more BTC than 30 days earlier; below zero, they hold less. The series reached about +300,717 BTC on December 26, 2017 and about -279,010 BTC on December 8, 2022, illustrating the scale of past monthly reserve expansions and contractions without setting a repeatable market threshold.
Successive observations share most of their 30-day window, so adding them double-counts the same balance changes. A reading can turn because an old flow leaves the window, even if today’s flow is small. Address reclassification and custody transfers also affect reserves without establishing a trade.
No. Each date compares the tracked reserve balance with its level 30 days earlier. The window rolls forward every day rather than resetting at the start of a calendar month.
Daily net flow measures deposits minus withdrawals for one day. The 30-day position change compares two reserve balances and roughly corresponds to accumulated net flows over that window when address coverage is consistent.
Yes. A large earlier outflow can leave the rolling window, making the reading less negative even while new outflows continue. A rising line below zero still means reserves are lower than 30 days earlier.