diff --git a/src/dexorder/ohlc.py b/src/dexorder/ohlc.py
index 1bb1e7c..2c3e7ce 100644
--- a/src/dexorder/ohlc.py
+++ b/src/dexorder/ohlc.py
@@ -6,7 +6,7 @@ from typing import Optional, NamedTuple, Reversible, Union, TypedDict
 
 from cachetools import LFUCache
 
-from dexorder import dec, config, from_timestamp, timestamp, now
+from dexorder import dec, config, from_timestamp, timestamp, now, minutely
 from dexorder.base.chain import current_chain
 from dexorder.blockstate import BlockDict, DiffItem, current_blockstate
 from dexorder.blockstate.diff import DiffEntryItem
@@ -18,9 +18,10 @@ log = logging.getLogger(__name__)
 
 OHLC_PERIODS = [
     timedelta(minutes=1),
-    timedelta(minutes=3), timedelta(minutes=5), timedelta(minutes=10), timedelta(minutes=15), timedelta(minutes=30),
-    timedelta(hours=1), timedelta(hours=2), timedelta(hours=4), timedelta(hours=8), timedelta(hours=12),
-    timedelta(days=1), timedelta(days=2), timedelta(days=3), timedelta(days=7)
+    # TODO remove debug
+    # timedelta(minutes=3), timedelta(minutes=5), timedelta(minutes=10), timedelta(minutes=15), timedelta(minutes=30),
+    # timedelta(hours=1), timedelta(hours=2), timedelta(hours=4), timedelta(hours=8), timedelta(hours=12),
+    # timedelta(days=1), timedelta(days=2), timedelta(days=3), timedelta(days=7)
 ]
 
 OHLC_DATE_ROOT = datetime(2009, 1, 4, tzinfo=timezone.utc)  # Sunday before Bitcoin Genesis
@@ -93,11 +94,11 @@ class NativeOHLC:
             self.high = max(self.high, price)
             self.low = min(self.low, price)
             if self._ohlc:
-                self._ohlc[1] = str(self.high)
-                self._ohlc[2] = str(self.low)
+                self._ohlc[2] = str(self.high)
+                self._ohlc[3] = str(self.low)
         self.close = price
         if self._ohlc:
-            self._ohlc[3] = pstr
+            self._ohlc[4] = pstr
         self._json = None
 
 
@@ -120,6 +121,12 @@ class NativeOHLC:
             self._json = json.dumps(self.ohlc)
         return self._json
 
+    def __repr__(self):
+        return f'{{NativeOHLC {minutely(self.start)} o:{self.open} h:{self.high} l:{self.low} c:{self.close}}}'
+
+    def __str__(self):
+        return str(self.ohlc)
+
 
 def period_name(period: timedelta) -> str:
     return f'{period // timedelta(minutes=1)}m' if period < timedelta(hours=1) \
@@ -146,7 +153,7 @@ def update_ohlc(prev: NativeOHLC, period: timedelta, time: datetime, price: Opti
     returns an ordered list of OHLC's that have been created/modified by the new time/price
     if price is None, then bars are advanced based on the time but no new price is added to the series.
     """
-    # log.debug(f'\tupdating {prev} with {minutely(time)} {price}')
+    log.debug(f'\tupdating {prev} with {minutely(time)} {price}')
     cur = prev
     if time < cur.start:
         # data corruption.  just shut down
@@ -165,7 +172,7 @@ def update_ohlc(prev: NativeOHLC, period: timedelta, time: datetime, price: Opti
         cur.update(price)
     result.append(cur)
     # log.debug(f'\tappended current bar: {cur.ohlc}')
-    # log.debug(f'\tupdate result: {result}')
+    log.debug(f'\tupdate result: {result}')
     return result
 
 class OHLCKey (NamedTuple):