RF vs VIAV: Which Is the Better Buy in 2026?

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: RF is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. RF and VIAV share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined RF and VIAV exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Regions Financial Corporation is one of the largest US regional banks, headquartered in Birmingham, Alabama, with roughly 1,250 branches concentrated across the South, Midwest, and Texas. It operates three main segments: Consumer Banking (checking, savings, mortgages, and consumer lending), Corporate Banking (commercial and industrial loans, commercial real estate, and treasury management), and Wealth Management. As of Q1 2026 it carried about ~$132 billion in deposits and ~$98 billion in loans (Q1 2026), and it earns most of its money the classic banking way: the spread between what it pays on deposits and what it earns on loans and securities, plus fee income from treasury management, capital markets, wealth, and card services.

Full RF guide

VIAVI Solutions (NASDAQ: VIAV) makes test, monitoring, and assurance instruments plus optical technologies used to build and secure communications networks, data centers, and military, aerospace, and railway systems. It runs two segments: Network and Service Enablement (NSE), which sells lab and field test gear for fiber, 5G, and high-speed ethernet, and Optical Security and Performance Products (OSP), which supplies anti-counterfeiting pigments for currency and optical filters for consumer electronics and 3D sensing. The company also acquired high-speed ethernet testing assets from Spirent Communications and Inertial Labs in 2025 to deepen its data-center and position-navigation-timing exposure.

Full VIAV guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• RF drivers: Net interest margin and rate positioning; Loan growth in a growing footprint.
• VIAV drivers: AI and data-center testing demand; Aerospace, defense, and PNT.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: As a regional bank, Regions is cyclical and exposed to the interest-rate path: falling rates can compress its margin, while sharp rate moves can pressure deposit costs and securities values. For VIAV, vIAVI's revenue is cyclical and tied to network operator, hyperscaler, and government capital spending, any of which can pause.

Pick RF if you believe its drivers more; VIAV if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the RF and VIAV guides.

RF. As of April 2026, Regions traded at a market capitalization of roughly ~$24 billion, a typical valuation range for a profitable super-regional bank. Its ~$1.06 annual dividend (yield near ~3.8%) and 13-year streak of increases make income a meaningful part of the return. Bank valuations are usually framed on price-to-tangible-book and price-to-earnings, and Regions' record ~18.26% return on tangible common equity in Q1 2026 is what supports its multiple.

VIAV. VIAVI's fiscal third quarter of 2026 (ended March 28, 2026) showed revenue of about $406.8 million, up roughly 42.8 percent year over year, with non-GAAP operating margin near 21 percent. Trailing GAAP earnings have been negative, so the headline valuation leans on forward non-GAAP estimates rather than trailing profits. Q4 FY2026 guidance called for revenue of about $427 million to $437 million.

Headline figures (approximate, APRIL 2026): RF shows revenue (ttm) ~$7.4 billion, q1 2026 total revenue ~$1.87 billion, q1 2026 net income ~$539 million, q1 2026 diluted eps ~$0.62; VIAV shows market cap ~$9.7B, revenue (ttm) ~$1.05B, q3 fy2026 revenue ~$406.8M (+42.8% YoY), q3 fy2026 non-gaap eps ~$0.27.

RF and VIAV are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined RF and VIAV exposure against your real portfolio. It is not an investment adviser.