NYSE:NWN | Historical Stock Price | Northwest Natural Holding Co

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1973-02-21 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$3.88$9.19$21.77$51.59$122.23$289.591973-02-212026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 1989

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
1989-12-29$16.67$16.678,550
1989-12-28$16.67$16.6763,000
1989-12-27$16.58$16.5832,700
1989-12-26$16.58$16.5813,650
1989-12-22$16.50$16.5023,850
1989-12-21$16.58$16.5828,800
1989-12-20$16.67$16.6718,300
1989-12-19$16.50$16.506,900
1989-12-18$16.50$16.5030,300
1989-12-15$16.67$16.6788,050
1989-12-14$16.92$16.92329,100
1989-12-13$16.92$16.9224,750
1989-12-12$17.17$17.1712,600
1989-12-11$17.00$17.0022,200
1989-12-08$17.33$17.3312,000
1989-12-07$17.42$17.4214,550
1989-12-06$17.42$17.4219,200
1989-12-05$17.25$17.2514,100
1989-12-04$17.42$17.426,450
1989-12-01$17.42$17.4211,700
1989-11-30$17.25$17.2517,100
1989-11-29$17.25$17.2533,450
1989-11-28$17.42$17.4219,950
1989-11-27$17.58$17.5858,050
1989-11-24$17.00$17.0018,450
1989-11-22$17.17$17.1728,800
1989-11-21$17.08$17.0842,900
1989-11-20$17.00$17.0015,600
1989-11-17$16.92$16.927,500
1989-11-16$17.08$17.0873,650
1989-11-15$16.92$16.9228,200
1989-11-14$17.00$17.008,400
1989-11-13$17.08$17.0816,200
1989-11-10$17.08$17.0815,000
1989-11-09$17.00$17.0045,150
1989-11-08$17.00$17.0022,500
1989-11-07$16.92$16.926,450
1989-11-06$17.08$17.0834,650
1989-11-03$17.08$17.0878,750
1989-11-02$17.00$17.008,850
1989-11-01$17.00$17.0017,700
1989-10-31$16.92$16.9228,050
1989-10-30$17.17$17.1712,900
1989-10-27$17.33$17.3319,200
1989-10-26$17.33$17.3310,950
1989-10-25$17.17$17.1750,100
1989-10-24$17.58$17.5821,300
1989-10-23$17.58$17.5813,500
1989-10-20$17.42$17.4263,450
1989-10-19$17.17$17.177,500
1989-10-18$16.92$16.9212,300
1989-10-17$16.92$16.9213,800
1989-10-16$17.08$17.0848,150
1989-10-13$17.00$17.0013,650
1989-10-12$17.00$17.0010,800
1989-10-11$17.17$17.1717,700
1989-10-10$17.17$17.1710,200
1989-10-09$17.00$17.00169,800
1989-10-06$17.08$17.0815,450
1989-10-05$17.08$17.0820,100
1989-10-04$17.25$17.2513,650
1989-10-03$17.33$17.337,500
1989-10-02$17.25$17.2536,000
1989-09-29$17.42$17.426,000
1989-09-28$17.42$17.4220,400
1989-09-27$17.17$17.1714,250
1989-09-26$17.42$17.4215,000
1989-09-25$17.33$17.3327,750
1989-09-22$17.33$17.3330,300
1989-09-21$17.67$17.6758,200
1989-09-20$17.83$17.8390,450
1989-09-19$17.25$17.2530,150
1989-09-18$17.17$17.1729,850
1989-09-15$17.17$17.1739,000
1989-09-14$17.17$17.1754,450
1989-09-13$17.00$17.0035,700
1989-09-12$17.00$17.0021,300
1989-09-11$17.17$17.1731,350
1989-09-08$17.33$17.3348,000
1989-09-07$17.42$17.4259,400
1989-09-06$17.50$17.5099,000
1989-09-05$17.25$17.25157,800
1989-09-01$16.67$16.6726,550
1989-08-31$16.67$16.6796,900
1989-08-30$16.50$16.5032,700
1989-08-29$16.42$16.4230,900
1989-08-28$16.75$16.7566,450
1989-08-25$16.67$16.6725,650
1989-08-24$16.42$16.4232,550
1989-08-23$16.25$16.2517,700
1989-08-22$16.17$16.1723,700
1989-08-21$16.33$16.3330,750
1989-08-18$16.42$16.4247,100
1989-08-17$16.33$16.3349,800
1989-08-16$16.33$16.3372,750
1989-08-15$16.25$16.2573,650
1989-08-14$16.25$16.2567,950
1989-08-11$16.50$16.5045,000
1989-08-10$16.33$16.3365,400
1989-08-09$16.17$16.17145,950
1989-08-08$15.58$15.58187,350
1989-08-07$15.25$15.2575,150
1989-08-04$15.08$15.0896,000
1989-08-03$15.00$15.00108,000
1989-08-02$14.67$14.67168,150
1989-08-01$15.08$15.08114,750
1989-07-31$15.50$15.5017,250
1989-07-28$15.50$15.5049,650
1989-07-27$15.67$15.6727,000
1989-07-26$15.83$15.8381,600
1989-07-25$15.92$15.9257,150
1989-07-24$16.33$16.3320,550
1989-07-21$16.25$16.2561,500
1989-07-20$15.83$15.8340,350
1989-07-19$16.42$16.4217,400
1989-07-18$16.33$16.3373,350
1989-07-17$16.58$16.5826,850
1989-07-14$16.67$16.6729,250
1989-07-13$16.50$16.5027,450
1989-07-12$16.42$16.4249,500
1989-07-11$16.42$16.4249,500
1989-07-10$16.42$16.4246,650
1989-07-07$16.17$16.1735,100
1989-07-06$16.00$16.00113,250
1989-07-05$15.50$15.5031,200
1989-07-03$15.58$15.5823,700
1989-06-30$15.67$15.6767,350
1989-06-29$15.58$15.58173,850
1989-06-28$15.58$15.58169,650
1989-06-27$15.75$15.7547,400
1989-06-26$15.42$15.427,350
1989-06-23$15.42$15.4248,600
1989-06-22$15.08$15.0817,250
1989-06-21$15.08$15.0833,000
1989-06-20$15.33$15.3320,550
1989-06-19$15.33$15.3339,300
1989-06-16$15.42$15.4223,250
1989-06-15$15.25$15.2517,550
1989-06-14$15.58$15.5834,800
1989-06-13$15.67$15.6734,650
1989-06-12$15.83$15.837,200
1989-06-09$15.75$15.7514,100
1989-06-08$15.75$15.7520,400
1989-06-07$15.92$15.9224,900
1989-06-06$15.83$15.8334,950
1989-06-05$15.67$15.6741,400
1989-06-02$15.92$15.9246,050
1989-06-01$16.00$16.0081,300
1989-05-31$16.00$16.0039,000
1989-05-30$16.00$16.00100,200
1989-05-26$16.00$16.0053,100
1989-05-25$15.75$15.7544,250
1989-05-24$15.83$15.8326,850
1989-05-23$15.75$15.7532,850
1989-05-22$15.75$15.7531,950
1989-05-19$15.58$15.5843,350
1989-05-18$15.33$15.3340,650
1989-05-17$15.00$15.0057,750
1989-05-16$15.08$15.0848,600
1989-05-15$15.00$15.0025,050
1989-05-12$14.92$14.9221,900
1989-05-11$14.83$14.83107,100
1989-05-10$14.50$14.5026,100
1989-05-09$14.42$14.4224,300
1989-05-08$14.25$14.256,300
1989-05-05$14.42$14.4215,000
1989-05-04$14.42$14.426,450
1989-05-03$14.25$14.2524,750
1989-05-02$14.25$14.2522,350
1989-05-01$14.25$14.2518,450
1989-04-28$14.25$14.2522,500
1989-04-27$14.42$14.4229,250
1989-04-26$14.25$14.2530,000
1989-04-25$14.42$14.4281,000
1989-04-24$14.42$14.42102,600
1989-04-21$14.17$14.1789,100
1989-04-20$13.92$13.9232,400
1989-04-19$13.67$13.6724,750
1989-04-18$13.58$13.587,950
1989-04-17$13.42$13.4218,150
1989-04-14$13.50$13.504,950
1989-04-13$13.50$13.5023,400
1989-04-12$13.50$13.5010,950
1989-04-11$13.42$13.4219,200
1989-04-10$13.33$13.338,850
1989-04-07$13.42$13.427,350
1989-04-06$13.17$13.1713,200
1989-04-05$13.33$13.3334,050
1989-04-04$13.17$13.1762,550
1989-04-03$13.08$13.0862,250
1989-03-31$13.17$13.175,850
1989-03-30$13.33$13.337,500
1989-03-29$13.17$13.1719,650
1989-03-28$13.33$13.3319,200
1989-03-27$13.33$13.3314,850
1989-03-23$13.33$13.3312,450
1989-03-22$13.50$13.509,750
1989-03-21$13.33$13.3312,000
1989-03-20$13.33$13.3312,600
1989-03-17$13.50$13.5016,950
1989-03-16$13.50$13.5019,050
1989-03-15$13.67$13.6730,600
1989-03-14$13.50$13.5049,500
1989-03-13$13.08$13.0828,950
1989-03-10$13.17$13.1725,050
1989-03-09$13.08$13.08117,000
1989-03-08$12.92$12.9225,200
1989-03-07$12.83$12.8356,400
1989-03-06$12.75$12.7544,850
1989-03-03$12.92$12.9232,700
1989-03-02$13.00$13.0028,350
1989-03-01$13.17$13.1710,650
1989-02-28$13.17$13.1712,900
1989-02-27$13.17$13.1730,900
1989-02-24$13.25$13.2512,300
1989-02-23$13.42$13.4210,500
1989-02-22$13.33$13.3353,550
1989-02-21$13.58$13.5831,050
1989-02-17$13.92$13.9214,100
1989-02-16$13.92$13.9219,500
1989-02-15$13.92$13.9222,350
1989-02-14$14.00$14.0040,950
1989-02-13$14.17$14.1711,550
1989-02-10$14.25$14.2527,150
1989-02-09$14.17$14.1712,900
1989-02-08$14.25$14.2547,250
1989-02-07$14.33$14.3312,900
1989-02-06$14.33$14.3329,700
1989-02-03$14.25$14.2530,000
1989-02-02$14.17$14.1724,300
1989-02-01$14.17$14.1711,250
1989-01-31$14.17$14.1721,000
1989-01-30$14.17$14.175,850
1989-01-27$14.17$14.1712,150
1989-01-26$14.17$14.1712,750
1989-01-25$14.08$14.0814,850
1989-01-24$14.25$14.2520,250
1989-01-23$14.17$14.174,050
1989-01-20$14.33$14.3316,350
1989-01-19$14.17$14.1719,800
1989-01-18$14.08$14.085,550
1989-01-17$14.25$14.2516,950
1989-01-16$14.08$14.0814,550
1989-01-13$14.25$14.2524,900
1989-01-12$14.08$14.0830,150
1989-01-11$14.17$14.178,250
1989-01-10$14.17$14.1713,200
1989-01-09$14.08$14.0831,500
1989-01-06$14.25$14.2512,150
1989-01-05$14.08$14.089,150
1989-01-04$14.08$14.088,550
1989-01-03$14.08$14.0834,950