diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index c9e3d0470..1ae6440d3 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -2471,7 +2471,7 @@ int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int
         if ( lowprice == refprice )
             lowprice--;
         sum = 0;
-        //fprintf(stderr,"firsti.%d: ",i);
+        fprintf(stderr,"firsti.%d: ",i);
         for (j=0; j<PRICES_DAYWINDOW; j++,i++)
         {
             if ( i >= PRICES_DAYWINDOW )
@@ -2483,14 +2483,14 @@ int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int
             }
             if ( price >= lowprice && price <= highprice )
             {
-                //fprintf(stderr,"%.1f ",(double)price/10000);
+                fprintf(stderr,"%.1f ",(double)price/10000);
                 sum += price;
                 correlation++;
                 if ( correlation > (PRICES_DAYWINDOW>>1) )
                 {
                     if ( nonzprices == 0 )
                         return(refprice * mult);
-                    //fprintf(stderr,"-> %.4f\n",(double)sum*mult/correlation);
+                    fprintf(stderr,"-> %.4f\n",(double)sum*mult/correlation);
                     //return(sum*mult/correlation);
                     n = 0;
                     i = (iter + seed) % PRICES_DAYWINDOW;
@@ -2508,12 +2508,12 @@ int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int
                             else
                             {
                                 nonzprices[i] = price;
-                                //fprintf(stderr,"(%d %u) ",i,rawprices[i*rawskip]);
+                                fprintf(stderr,"(%d %u) ",i,rawprices[i*rawskip]);
                                 n++;
                             }
                         }
                     }
-                    //fprintf(stderr,"ind.%d iter.%d j.%d i.%d n.%d correlation.%d ref %llu -> %llu\n",ind,iter,j,i,n,correlation,(long long)refprice,(long long)sum/correlation);
+                    fprintf(stderr,"ind.%d iter.%d j.%d i.%d n.%d correlation.%d ref %llu -> %llu\n",ind,iter,j,i,n,correlation,(long long)refprice,(long long)sum/correlation);
                     if ( n != correlation )
                         return(-1);
                     sum = den = n = 0;
@@ -2521,7 +2521,7 @@ int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int
                         if ( nonzprices[i] != 0 )
                             break;
                     firstprice = nonzprices[i];
-                    //fprintf(stderr,"firsti.%d: ",i);
+                    fprintf(stderr,"firsti.%d: ",i);
                     for (i=0; i<PRICES_DAYWINDOW; i++)
                     {
                         if ( (price= nonzprices[i]) != 0 )
@@ -2536,7 +2536,8 @@ int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int
                         fprintf(stderr,"seed.%llu n.%d vs correlation.%d sum %llu, den %llu\n",(long long)seed,n,correlation,(long long)sum,(long long)den);
                         return(-1);
                     }
-                    //fprintf(stderr,"firstprice.%llu weighted -> %.8f\n",(long long)firstprice,((double)(sum*mult) / den) / COIN);
+                    std::cerr << "sum=" << sum << " mul=" << mul << " den=" << den << std::endl;
+                    fprintf(stderr,"firstprice.%llu weighted -> %.8f\n",(long long)firstprice,((double)(sum*mult) / den) / COIN);
                     return((sum * mult) / den);
                 }
             }