website: snapshot

crates/brk_computer/src/cointime/value/compute.rs

@@ -1,5 +1,6 @@
 use brk_error::Result;
-use vecdb::Exit;
+use brk_types::{Bitcoin, Close, Dollars, StoredF64};
+use vecdb::{Exit, TypedVecIterator};
 
 use super::super::activity;
 use super::Vecs;
@@ -29,6 +30,15 @@ impl Vecs {
             .activity
             .coindays_destroyed;
 
+        let circulating_supply = &distribution
+            .utxo_cohorts
+            .all
+            .metrics
+            .supply
+            .total
+            .bitcoin
+            .height;
+
         self.cointime_value_destroyed
             .compute_all(indexes, starting_indexes, exit, |vec| {
                 vec.compute_multiply(
@@ -62,14 +72,27 @@ impl Vecs {
                 Ok(())
             })?;
 
-        // VOCDD: Value-weighted Coin Days Destroyed = CDD × price
-        // This is a key input for Reserve Risk calculation
+        // VOCDD: Value of Coin Days Destroyed = price × (CDD / circulating_supply)
+        // Supply-adjusted to account for growing supply over time
+        // This is a key input for Reserve Risk / HODL Bank calculation
         self.vocdd
             .compute_all(indexes, starting_indexes, exit, |vec| {
-                vec.compute_multiply(
+                let mut supply_iter = circulating_supply.into_iter();
+                vec.compute_transform2(
                     starting_indexes.height,
                     &price.usd.split.close.height,
                     &coindays_destroyed.height,
+                    |(i, price, cdd, _): (_, Close<Dollars>, StoredF64, _)| {
+                        let supply: Bitcoin = supply_iter.get_unwrap(i);
+                        let supply_f64 = f64::from(supply);
+                        if supply_f64 == 0.0 {
+                            (i, StoredF64::from(0.0))
+                        } else {
+                            // VOCDD = price × (CDD / supply)
+                            let vocdd = f64::from(price) * f64::from(cdd) / supply_f64;
+                            (i, StoredF64::from(vocdd))
+                        }
+                    },
                     exit,
                 )?;
                 Ok(())

crates/brk_computer/src/cointime/value/import.rs

@@ -29,7 +29,7 @@ impl Vecs {
             vocdd: ComputedFromHeightSumCum::forced_import(
                 db,
                 "vocdd",
-                version,
+                version + Version::ONE,
                 indexes,
             )?,
         })