lcenovsky

COT Index by cendalc

1552 19 272
Legacy and disaggregated COT index for several commodities I trade:
ZC             , ZW, ZS, ZL, ZM, HG, GC             , SI, CC             , KC, CT             , OJ, SB             , CL             , HO, NG            

Available indexes:
  • Commercials Index
  • Large traders Index
  • Producers Index
  • Managed Money Index

Data is taken from Quandl: https://www.quandl.com/data/CFTC

Default week period is 26 except for CC             , KC, CT             , OJ, SB             , CL             , HO and NG             where it is 13. You can set your own period.

Works correctly on weekly and daily data. Daily length is correctly computed from trade days in weeks.

Displays the previous cot index for the current week if COT report has not yet been published.

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//@version=2
study("COT Index by cendalc", shorttitle="COT Index", precision=1)

qticker =
     syminfo.root == "ZC" ? "C"  :
     syminfo.root == "ZW" ? "W"  :
     syminfo.root == "ZS" ? "S"  :
     syminfo.root == "ZL" ? "BO" :
     syminfo.root == "ZM" ? "SM" :
     syminfo.root == "HG" ? "HG" :
     syminfo.root == "GC" ? "GC" :
     syminfo.root == "SI" ? "SI" :
     syminfo.root == "CC" ? "CC" :
     syminfo.root == "KC" ? "KC" :
     syminfo.root == "CT" ? "CT" :
     syminfo.root == "OJ" ? "OJ" :
     syminfo.root == "SB" ? "SB" :
     syminfo.root == "CL" ? "CL" :
     syminfo.root == "HO" ? "HO" :
     syminfo.root == "NG" ? "NG" :
     ""

force_length = input(0, title="Weeks (0 = automatic)")

length =
     force_length != 0 ? force_length :
     syminfo.root == "CC" ? 13 :
     syminfo.root == "KC" ? 13 :
     syminfo.root == "CT" ? 13 :
     syminfo.root == "OJ" ? 13 :
     syminfo.root == "SB" ? 13 :
     syminfo.root == "CL" ? 13 :
     syminfo.root == "HO" ? 13 :
     syminfo.root == "NG" ? 13 :
     26

GetDailyAdjustment(weeks) =>
    weekCount = weeks
    daily_adjust = 1
    tmp = for i = 0 to (length * 5)
        weekCount := weekCount - iff(dayofweek[i] < dayofweek[i+1], 1, 0)
        if weekCount <= 0
            break
        daily_adjust := daily_adjust + 1
    daily_adjust

Highest(x, y) =>
    ret = x
    for i = 1 to y-1
        ret := max(ret, x[i])

Lowest(x, y) =>
    ret = x
    for i = 1 to y-1
        ret := min(ret, x[i])


legacy_cot = "QUANDL:CFTC/" + qticker + "_FO_L_ALL|"
cot = "QUANDL:CFTC/" + qticker + "_FO_ALL|"

oi = security(legacy_cot + "0", "W", close)

no_cot_adjst = oi == oi[1] ? 1 : 0
length_adjst = isdaily ? GetDailyAdjustment(length + no_cot_adjst) : length + no_cot_adjst

comm_lg = security(legacy_cot + "4", "W", close)
comm_sh = security(legacy_cot + "5", "W", close)
comm_net = comm_lg - comm_sh

large_lg = security(legacy_cot + "1", "W", close)
large_sh = security(legacy_cot + "2", "W", close)
large_net = large_lg - large_sh

other_lg = security(legacy_cot + "8", "W", close)
other_sh = security(legacy_cot + "9", "W", close)
other_net = other_lg - other_sh

comm_max = Highest(comm_net, length_adjst)
comm_min = Lowest(comm_net, length_adjst)
comm_idx = if (dayofweek > nz(dayofweek[1]))
    comm_idx[1]
else
    100 * (comm_net - comm_min) / (comm_max - comm_min)

large_max = Highest(large_net, length_adjst)
large_min = Lowest(large_net, length_adjst)
large_idx = if (dayofweek > nz(dayofweek[1]))
    large_idx[1]
else
    100 * (large_net - large_min) / (large_max - large_min)

prod_lg = security(cot + "1", "W", close)
prod_sh = security(cot + "2", "W", close)
prod_net = prod_lg - prod_sh

manag_lg = security(cot + "6", "W", close)
manag_sh = security(cot + "7", "W", close)
manag_net = manag_lg - manag_sh

prod_max = Highest(prod_net, length_adjst)
prod_min = Lowest(prod_net, length_adjst)
prod_idx = if (isdaily and (dayofweek > nz(dayofweek[1])))
    prod_idx[1]
else
    100 * (prod_net - prod_min) / (prod_max - prod_min)

manag_max = Highest(manag_net, length_adjst)
manag_min = Lowest(manag_net, length_adjst)
manag_idx = if (dayofweek > nz(dayofweek[1]))
    manag_idx[1]
else
    100 * (manag_net - manag_min) / (manag_max - manag_min)

plot(comm_idx, color=blue, title="Commercials Index", style=line, linewidth=2)
plot(large_idx, color=green, title="Large traders Index", style=line, linewidth=1)
plot(prod_idx, color=aqua, title="Producers Index", style=line, linewidth=2)
plot(manag_idx, color=lime, title="Managed Money Index", style=line, linewidth=1)
Hi guys I updated it with new quandl codes

https://www.tradingview.com/u/abro163/#published-scripts
Reply
Ondrej_L abro163
@abro163, Good job thank you :)
Reply
Jimmi00 abro163
@abro163, Thanks a lot!
Reply
Hi, I experienced the same problem and no data are shown. What we can do?
+1 Reply
Hi, since two days my COT Data and index show no data, just N/A. I have not changed anything. What can be the problém?
+2 Reply
Hi,
great job, this is exactly what I was looking for. The only thing I miss is meats(Hogs/Cattle). Is it possible to add it?
I tried to add syminfo.root == "LE" ? "LE" : but it did not work. I am not a programmer, I just tried :-)
Can you help mo with this, please?
+1 Reply
@godi13, I cannot edit the script anymore - no idea why.
You need to add correct quandl mapping:

syminfo.root == "LE" ? "LC" :
syminfo.root == "GF" ? "FC" :
syminfo.root == "HE" ? "LN" :
Reply
godi13 lcenovsky
@lcenovsky, yes, that was the trick, different symbols LE/LC etc.
Thanks a lot
Reply
yarimedici lcenovsky
@lcenovsky, Hi! I can't get it to work with Gold
Can you tell me how to add it?
Reply
lcenovsky yarimedici
@yarimedici, gold is there already (GC)
Reply
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