NZ Discourse Report — October 2026

Summary

Three findings

1. The election became an argument about its own rules. Vote-splitting, overhang and a new early enrolment deadline produced the month's joint-largest spike. Written commentary mostly treated vote-splitting as a threat; talk radio mostly treated it as a rational strategy.
2. Fuel prices surged; the news explained why, and party and union messaging said who. None of 12 representative news framings blamed the government; 4 of 12 commentary items did, all from Labour or the CTU, or reposting them. Talk radio carried 2 items.
3. A party with no MPs set a coalition agenda. Opportunity's "bottom lines" made bottom trawling October's other 40-times spike. Its leader's mentions rose 3.6-fold, but almost none came from talk radio.

The month in context

September → October: from what to how

OpenBrief flags an anomaly cluster when a topic spikes above its own baseline in two or more channels at once. This month we added a fifth category, electoral rules and voting mechanics: tactical voting, overhang, enrolment and voting access. In the five weeks to 27 September, no cluster fell into it. In October, nine did.

Figure 1

Electoral rules & voting mechanics 0 → 9Polling & coalition 3 → 8Policy & issues 25 → 18Events & other 2 → 1Leadership & conduct 0 → 0

Show the data

Topic	First detected (NZ)	Peak multiple	Category	Window
Age verification standards	25 Aug	48×	Policy & issues	Prev
Tax break for landlords	25 Sep	28×	Policy & issues	Prev
Waitangi Tribunal closure	11 Sep	20×	Policy & issues	Prev
Banning price gouging	17 Sep	18×	Policy & issues	Prev
Online safety regulations	27 Aug	16×	Policy & issues	Prev
U16 social media ban	25 Aug	13.3×	Policy & issues	Prev
Labour–National polling decline	9 Sep	12×	Polling & coalition arithmetic	Prev
Supermarket duopoly	8 Sep	5×	Policy & issues	Prev
Landlord interest deduction	22 Sep	56×	Policy & issues	Prev
Supermarket break-up proposals	17 Sep	40×	Policy & issues	Prev
Bed tax avoidance	28 Aug	28×	Policy & issues	Prev
Nurse staffing ratios	3 Sep	28×	Policy & issues	Prev
Cognitive testing for older drivers	16 Sep	24×	Policy & issues	Prev
Free cervical screening	2 Sep	24×	Policy & issues	Prev
Taxpayers' Union influence	25 Sep	24×	Events & other	Prev
AI existential threat	18 Sep	20×	Policy & issues	Prev
Paris Agreement	4 Sep	20×	Policy & issues	Prev
Bed tax proposal for tourism	27 Aug	20×	Policy & issues	Prev
Grocery price reduction	19 Sep	16×	Policy & issues	Prev
Superannuation age review	5 Sep	16×	Policy & issues	Prev
Political donation caps	25 Sep	16×	Policy & issues	Prev
Reserve Bank rate hikes	3 Sep	14.7×	Policy & issues	Prev
Government size reduction	3 Sep	12×	Policy & issues	Prev
Opportunity as kingmaker	26 Aug	10×	Polling & coalition arithmetic	Prev
Nursing workforce	1 Sep	8×	Policy & issues	Prev
Wage–inflation gap	20 Sep	8×	Policy & issues	Prev
March for Nature	5 Sep	8×	Events & other	Prev
Healthcare staffing shortages	27 Aug	8×	Policy & issues	Prev
Road-user charges	1 Sep	6.4×	Policy & issues	Prev
Taxpayers' Union–Curia poll	10 Sep	5.3×	Polling & coalition arithmetic	Prev
Strategic voting (electorate vote)	1 Oct	40×	Electoral rules & voting mechanics	Oct
Bottom trawling ban	30 Sep	40×	Policy & issues	Oct
National Party voter decline	4 Oct	26×	Polling & coalition arithmetic	Oct
Student loan relief	30 Sep	18×	Policy & issues	Oct
Mt Albert candidacy	2 Oct	16×	Polling & coalition arithmetic	Oct
Green Party rise	30 Sep	13.3×	Polling & coalition arithmetic	Oct
No to new taxes	3 Oct	8×	Policy & issues	Oct
Youth voter enrolment	9 Oct	6×	Electoral rules & voting mechanics	Oct
East Cape health system crisis	21 Oct	28×	Policy & issues	Oct
Green Party spending	25 Oct	24×	Policy & issues	Oct
Political messaging	3 Oct	20×	Events & other	Oct
Voter fraud allegations	24 Oct	16×	Electoral rules & voting mechanics	Oct
Private hospital funding	31 Oct	16×	Policy & issues	Oct
Opportunity Party's influence	31 Oct	16×	Polling & coalition arithmetic	Oct
Political polling shift	9 Oct	16×	Polling & coalition arithmetic	Oct
Cost of living as election concern	3 Oct	16×	Policy & issues	Oct
Labour–Greens alliance	3 Oct	16×	Polling & coalition arithmetic	Oct
Taxpayer surplus expectations	30 Sep	16×	Policy & issues	Oct
Wage–inflation gap	27 Sep	16×	Policy & issues	Oct
Public health system reform	4 Oct	16×	Policy & issues	Oct
Cancer treatment wait times	17 Oct	10×	Policy & issues	Oct
Early enrolment deadline	3 Oct	10×	Electoral rules & voting mechanics	Oct
Pay equity legislation	7 Oct	10×	Policy & issues	Oct
Electoral overhang dynamics	4 Oct	10×	Electoral rules & voting mechanics	Oct
Superannuation age review	15 Oct	8×	Policy & issues	Oct
Paris Agreement withdrawal	28 Oct	8×	Policy & issues	Oct
Te Pāti Māori overhang strategy	23 Oct	8×	Electoral rules & voting mechanics	Oct
Banning price gouging	27 Sep	8×	Policy & issues	Oct
Opportunity Party coalition	10 Oct	8×	Polling & coalition arithmetic	Oct
Vote splitting	1 Oct	8×	Electoral rules & voting mechanics	Oct
Parliamentary overhang	16 Oct	7.2×	Electoral rules & voting mechanics	Oct
Cost of living	30 Sep	6×	Policy & issues	Oct
Māori electorates strategy	7 Oct	5.6×	Polling & coalition arithmetic	Oct
U16 social media ban	21 Oct	5.3×	Policy & issues	Oct
Voting accessibility	31 Oct	5.3×	Electoral rules & voting mechanics	Oct
Political lobbying regulation	4 Oct	5.3×	Policy & issues	Oct

Policy and issues fell from 25 of 30 clusters (83%) to 18 of 36 (50%). The comparison window's largest spike was a policy story: Labour's landlord interest deductibility decision, at 56 times its news baseline. October's largest were strategic voting and the bottom-trawling ban, at 40 times each.

Figure 2

The two main party leaders drew level. Christopher Luxon's mentions across all channels rose 54% (824 to 1,267) and Chris Hipkins' rose 70% (695 to 1,184). In the week beginning 28 September, Hipkins was mentioned once more than Luxon. Cost of living remained the largest single issue in commentary.

Figure 3

Christopher LuxonChris HipkinsShaded: October

Show the data

Week beginning	Luxon	Hipkins
24 Aug	210	145
31 Aug	144	102
7 Sep	161	160
14 Sep	171	126
21 Sep	138	162
28 Sep	252	253
5 Oct	246	228
12 Oct	259	212
19 Oct	287	286
26 Oct	223	205

Key finding 1

The election became an argument about its own rules

Three strands converged in October.

Figure 4

Vote splitting 4 → 31Strategic voting 8 → 27Shaded: October

Show the data

Week beginning	Vote splitting	Strategic voting
24 Aug	0	2
31 Aug	0	2
7 Sep	0	1
14 Sep	1	2
21 Sep	3	1
28 Sep	4	14
5 Oct	9	2
12 Oct	6	4
19 Oct	2	3
26 Oct	10	4

Strategic voting was a three-channel cluster, peaking at 40 times its news baseline. Talk radio leaned in hardest: 12 vote-splitting items against 13 in the news, about 9 per 10, against a channel-wide rate of about 0.6. Several of those items were interviews in which party leaders made their pitch on air.

The channels framed it differently. OpenBrief extracts 12 representative framings per channel for each topic. We coded those for vote splitting.

Figure 5

Critical or illegitimateLegitimate strategyNeutral or risk-focused

12 platform-selected representative framings per channel, 35 days to 31 October, coded by OpenBrief editors.

Show the data

Channel	Critical	Legitimate	Neutral
News	3	0	9
Commentary	8	1	3
Talk radio	1	6	5

Commentary ranged from "a tactic that undermines fair representation under MMP" to "deliberate manipulation of electoral outcomes", from both left- and right-leaning sources. Talk radio more often used its advocates' terms: "a rational way to shape government outcomes", "pragmatic alternative to safe voting".

Key finding 2

Fuel prices surged; the news explained why, party and union messaging said who

News coverage of rising fuel prices nearly tripled, from 14 items to 37, as headlines reported fuel topping $4 at the pump. A related topic, US–Russia diesel supply, drew a further 21 news items.

Figure 6

1. 7 Oct Herald's The Front Page: freight businesses "collapsing" as fuel crisis bites
2. 16 Oct Headlines report fuel "topping $4 at the pump", average up 11% in 28 days
3. 17 Oct Labour release: "Everything costs more under National"
4. 25 Oct RNZ: jet fuel up from about US$85 to US$140 a barrel
5. 28 Oct Reserve Bank rate decision

Show the data

Week beginning	News	Commentary & talk radio
24 Aug	3	1
31 Aug	2	1
7 Sep	3	2
14 Sep	3	1
21 Sep	3	1
28 Sep	4	2
5 Oct	11	3
12 Oct	11	7
19 Oct	7	4
26 Oct	4	0

We coded the 12 representative framings in each channel by what they presented as the driver of the rise. None of the news framings attributed it to government policy, and half cited global causes: crude and jet fuel prices, "Iranian conflict risks", shipping costs. In commentary, four tied the rise to the government in their headlines. All four came from Labour or the Council of Trade Unions, or reposted them. No release from the Beehive, National, ACT or NZ First appeared among the representative framings.

Figure 7

Government responsibleGlobal or external causeImpact or other

12 representative framings per channel, 35 days to 31 October, coded by attributed driver. All four commentary items attributing the rise to government came from Labour or the CTU, or reposted them.

Show the data

Channel	Government	Global	Other
News	0	6	6
Commentary	4	3	5

Talk radio largely sat it out: 2 tagged items in 35 days, both on RNZ's Morning Report.

Figure 8

35 days to 31 October. The channel rate is talk radio's total tagged output relative to news, derived from normalised channel shares.

Show the data

Topic	Talk radio	News	Per 10 news items
Vote splitting	12	13	9.2
Strategic voting	8	26	3.1
Supermarket duopoly	3	12	2.5
Bottom trawling ban	3	18	1.7
National Party voter decline	4	34	1.2
Election-day enrolment	2	17	1.2
Fuel price surge	2	37	0.5

Key finding 3

A party with no MPs set a coalition agenda

On 29 September the Opportunity Party, which won no seats in 2023, published five "bottom lines" for any post-election agreement, including a phase-out of bottom trawling. Bottom trawling reached 40 times its news baseline and 28 times its social baseline, drawing 18 news, 10 commentary and 3 talk radio items in 35 days. RNZ asked why it "could be a top issue in forming the next government" (9 October). By 30 October it was one of the subjects dominating the final Nelson debate.

Figure 9

Show the data

Name	Party	24 Aug–27 Sep	October	Change
Qiulae Wong	Opportunity	100	355	×3.55
Marama Davidson	Greens	85	236	×2.78
Chlöe Swarbrick	Greens	141	350	×2.48
Chris Hipkins	Labour	695	1184	×1.70
Christopher Luxon	National	824	1267	×1.54
Winston Peters	NZ First	491	707	×1.44
David Seymour	ACT	486	603	×1.24

Figure 10

Qiulae Wong (Opportunity)Chlöe Swarbrick (Greens)

Show the data

Week beginning	Wong	Swarbrick
24 Aug	25	15
31 Aug	12	22
7 Sep	24	22
14 Sep	32	34
21 Sep	7	48
28 Sep	91	83
5 Oct	48	45
12 Oct	87	91
19 Oct	76	58
26 Oct	53	73

The breakthrough was in print, not on air. Talk radio supplied 3% of Qiulae Wong's October mentions and 3–4% of the Greens co-leaders', against 19% of Winston Peters' and 18% of David Seymour's.

Figure 11

Show the data

Name	Talk radio mentions	All mentions	Share
Winston Peters	133	707	19%
David Seymour	110	603	18%
Chris Hipkins	159	1184	13%
Christopher Luxon	170	1267	13%
Chlöe Swarbrick	14	350	4%
Marama Davidson	8	236	3%
Qiulae Wong	11	355	3%

Editor's note: July's edition reported that Winston Peters out-mentioned the Prime Minister. This finding is included because the measured claim differs: a party outside Parliament setting a policy agenda item.

Continuity

What carried over from earlier editions

• The two-week memory held (May). Supermarket duopoly news fell from 41 items (35 days to 3 Oct) to 12; Labour's landlord tax decision from 16 to none.
• Talk radio kept its own agenda (September). About 9 items per 10 news items on vote-splitting and 0.5 on fuel. Its overall size relative to news fell from about 0.8 to about 0.6.
• The AI story reached the campaign, as a policy dispute (September). RNZ reported that "AI regulation divides National and Labour" (12 Oct); Stuff reported Labour wanting a "super-AI ban". Talk radio went from no AI-safety items to 2.
• The cost-of-living vocabulary held (July). "Cost-of-living crisis" remained the most-covered single issue in commentary: 43 items.

Methodology

How this report was made

OpenBrief classifies four corpora separately. News covers eight outlets, about 11,300 items in five weeks. Commentary covers 43 active sources, including official releases from the Beehive and the National, Labour, ACT and NZ First parties. Talk radio and podcasts covers 11 programmes, about 1,300 items. Social media covers public posts on Facebook, YouTube, X and Reddit. Items are tagged with topics, framings and stance.

Windows. October means the five ISO weeks beginning Monday 28 September (to 1 November). The comparison window is the five weeks beginning Monday 24 August, which overlaps the September edition's window, so its figures differ slightly from those published then. Cross-channel counts and representative framings use a 35-day window to 31 October. Talk radio's channel rate (0.64 items per 10 news items) is derived from normalised channel shares.

Editorial coding. Clusters were coded by topic label; the electoral-rules category is new this month. Framing tallies are hand-codings of the 12 platform-selected representative framings per channel and should be read as indicative.

Validation. The election and enrolment dates, the Opportunity Party's bottom lines, Te Pāti Māori's list, the Electoral Commission investigation, the RNZ-Reid Research polls and the "$4 at the pump" headlines were checked against independent sources. Peters' Hutt South endorsement, the "super-AI ban", the former Speaker's comment and the 300,000 unenrolled figure are cited as reported by the named outlets.

Limitations. Classification is automated: directionally reliable, individually fallible. One item can carry several topics, so single-topic counts should not be summed. Green Party, Te Pāti Māori and Opportunity releases are not yet ingested. The Spinoff's feed appears to have stopped on 3 October. Some NZ Herald subscription boilerplate topics were excluded. Findings describe what was measurably said in OpenBrief's corpus, not everything that was said.

OpenBrief is an independent New Zealand platform for measuring political and media discourse. It is not affiliated with any party, outlet or advocacy organisation and receives no party or donor funding. The data behind every figure is available at openbrief.co.nz.