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Columbia Gulf, Louisiana Natural Gas (Platts IFERC) Basis Futures Calendar

Contract Month Product Code First Trade
Last Trade
Settlement First Holding
Last Holding
First Position
Last Position
First Notice
Last Notice
First Delivery
Last Delivery
Nov 2017 GLX17 01 Dec 2011
31 Oct 2017
02 Nov 2017 -
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Dec 2017 GLZ17 01 Dec 2011
30 Nov 2017
04 Dec 2017 -
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Jan 2018 GLF18 03 Dec 2012
29 Dec 2017
03 Jan 2018 -
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Feb 2018 GLG18 03 Dec 2012
31 Jan 2018
02 Feb 2018 -
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Mar 2018 GLH18 03 Dec 2012
28 Feb 2018
02 Mar 2018 -
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Apr 2018 GLJ18 03 Dec 2012
29 Mar 2018
03 Apr 2018 -
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May 2018 GLK18 03 Dec 2012
30 Apr 2018
02 May 2018 -
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Jun 2018 GLM18 03 Dec 2012
31 May 2018
04 Jun 2018 -
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Jul 2018 GLN18 03 Dec 2012
29 Jun 2018
03 Jul 2018 -
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Aug 2018 GLQ18 03 Dec 2012
31 Jul 2018
02 Aug 2018 -
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Sep 2018 GLU18 03 Dec 2012
31 Aug 2018
05 Sep 2018 -
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Oct 2018 GLV18 03 Dec 2012
28 Sep 2018
02 Oct 2018 -
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Nov 2018 GLX18 03 Dec 2012
31 Oct 2018
02 Nov 2018 -
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Dec 2018 GLZ18 03 Dec 2012
30 Nov 2018
04 Dec 2018 -
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Jan 2019 GLF19 02 Dec 2013
31 Dec 2018
03 Jan 2019 -
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Feb 2019 GLG19 02 Dec 2013
31 Jan 2019
04 Feb 2019 -
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Mar 2019 GLH19 02 Dec 2013
28 Feb 2019
04 Mar 2019 -
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Apr 2019 GLJ19 02 Dec 2013
29 Mar 2019
02 Apr 2019 -
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May 2019 GLK19 02 Dec 2013
30 Apr 2019
02 May 2019 -
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Jun 2019 GLM19 02 Dec 2013
31 May 2019
04 Jun 2019 -
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Jul 2019 GLN19 02 Dec 2013
28 Jun 2019
02 Jul 2019 -
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Aug 2019 GLQ19 02 Dec 2013
31 Jul 2019
02 Aug 2019 -
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Sep 2019 GLU19 02 Dec 2013
30 Aug 2019
04 Sep 2019 -
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Oct 2019 GLV19 02 Dec 2013
30 Sep 2019
02 Oct 2019 -
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Nov 2019 GLX19 02 Dec 2013
31 Oct 2019
04 Nov 2019 -
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Dec 2019 GLZ19 02 Dec 2013
29 Nov 2019
03 Dec 2019 -
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Jan 2020 GLF20 01 Dec 2014
31 Dec 2019
03 Jan 2020 -
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Feb 2020 GLG20 01 Dec 2014
31 Jan 2020
04 Feb 2020 -
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Mar 2020 GLH20 01 Dec 2014
28 Feb 2020
03 Mar 2020 -
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Apr 2020 GLJ20 01 Dec 2014
31 Mar 2020
02 Apr 2020 -
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May 2020 GLK20 01 Dec 2014
30 Apr 2020
04 May 2020 -
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Jun 2020 GLM20 01 Dec 2014
29 May 2020
02 Jun 2020 -
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Jul 2020 GLN20 01 Dec 2014
30 Jun 2020
02 Jul 2020 -
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Aug 2020 GLQ20 01 Dec 2014
31 Jul 2020
04 Aug 2020 -
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Sep 2020 GLU20 01 Dec 2014
31 Aug 2020
02 Sep 2020 -
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Oct 2020 GLV20 01 Dec 2014
30 Sep 2020
02 Oct 2020 -
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Nov 2020 GLX20 01 Dec 2014
30 Oct 2020
03 Nov 2020 -
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Dec 2020 GLZ20 01 Dec 2014
30 Nov 2020
02 Dec 2020 -
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Jan 2021 GLF21 01 Dec 2015
31 Dec 2020
05 Jan 2021 -
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Feb 2021 GLG21 01 Dec 2015
29 Jan 2021
02 Feb 2021 -
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Mar 2021 GLH21 01 Dec 2015
26 Feb 2021
02 Mar 2021 -
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Apr 2021 GLJ21 01 Dec 2015
31 Mar 2021
05 Apr 2021 -
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May 2021 GLK21 01 Dec 2015
30 Apr 2021
04 May 2021 -
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Jun 2021 GLM21 01 Dec 2015
28 May 2021
02 Jun 2021 -
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Jul 2021 GLN21 01 Dec 2015
30 Jun 2021
02 Jul 2021 -
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Aug 2021 GLQ21 01 Dec 2015
30 Jul 2021
03 Aug 2021 -
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Sep 2021 GLU21 01 Dec 2015
31 Aug 2021
02 Sep 2021 -
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Oct 2021 GLV21 01 Dec 2015
30 Sep 2021
04 Oct 2021 -
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Nov 2021 GLX21 01 Dec 2015
29 Oct 2021
02 Nov 2021 -
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Dec 2021 GLZ21 01 Dec 2015
30 Nov 2021
02 Dec 2021 -
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