玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.83-17.07.791.10-5.1769.23109.1319.9-7.6982.644.91-40.640.31-4.82-38.9151.4718.86-20.85
24Q2 (19)1.0044.939.891.1641.4638.191.02-31.42-9.4178.77-28.97-27.5342.35-34.73-10.95127.44-28.7-21.14
24Q1 (18)0.69-54.0-21.590.82-41.43-13.68132.72118.8328.33110.9070.5115.5164.8885.6435.96178.7497.017.82
23Q4 (17)1.5094.8144.231.40115.385.2660.65-48.7-30.565.04-53.25-4.9434.95-47.02-20.6690.73-52.59-18.73
23Q3 (16)0.77-15.38-30.00.65-22.62-46.72118.2217.6742.55139.1327.9986.865.9738.7178.78191.3818.4258.81
23Q2 (15)0.913.41-4.210.84-11.58-21.5100.47-2.855.3108.7013.2228.2647.56-0.3429.91161.616.5312.57
23Q1 (14)0.88-15.387.320.95-28.57-11.21103.4218.51-7.1896.0140.3212.7847.728.330.17151.7135.891.87
22Q4 (13)1.04-5.45-15.451.339.02-15.8287.275.2317.6668.42-8.1418.6844.0519.3873.15111.64-7.364.93
22Q3 (12)1.1015.7954.931.2214.0243.5382.93-13.08-35.5674.48-12.12-30.0736.900.790.68120.51-16.06-39.3
22Q2 (11)0.9515.8546.151.070.0-10.8395.41-14.37-32.3384.75-0.4511.9836.61-23.15-4.14143.56-3.6-19.57
22Q1 (10)0.82-33.33-7.871.07-32.28-30.52111.4250.229.1685.1347.6743.7347.6487.2653.68148.9239.9814.3
21Q4 (9)1.2373.2495.241.5885.8847.6674.17-42.37-48.7657.65-45.87-31.9625.44-30.59-38.68106.39-46.41-43.4
21Q3 (8)0.719.23-26.040.85-29.17-44.08128.69-8.7336.32106.5040.7277.3836.65-4.0345.49198.5311.2353.6
21Q2 (7)0.65-26.97-25.291.20-22.0813.21141.0038.1435.2175.6827.77-12.1438.1923.197.82178.4936.9915.15
21Q1 (6)0.8941.2718.671.5443.9379.07102.07-29.48-16.2459.23-30.1-43.8431.00-25.28-38.99130.29-30.69-26.19
20Q4 (5)0.63-34.37-3.081.07-29.614.9144.7453.333.2184.7341.12-5.4841.4964.71-6.07187.9845.441.22
20Q3 (4)0.9610.340.01.5243.40.094.40-9.470.060.04-30.30.025.19-28.880.0129.25-16.610.0
20Q2 (3)0.8716.00.01.0623.260.0104.28-14.430.086.14-18.320.035.42-30.290.0155.00-12.190.0
20Q1 (2)0.7515.380.00.86-15.690.0121.86-13.110.0105.4617.650.050.8115.030.0176.51-4.950.0
19Q4 (1)0.650.00.01.020.00.0140.240.00.089.640.00.044.170.00.0185.710.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)4.0511.264.961.6490.23-10.0873.64-1.5848.33-1.45115.54-8.4
2022 (9)3.6412.04.88-2.59100.35-10.7374.822.6249.0416.93126.13-12.04
2021 (8)3.25-1.225.019.39112.411.2172.91-8.5741.944.61143.39-4.86
2020 (7)3.29-11.084.58-0.65111.0712.5979.740.7740.097.71150.727.23
2019 (6)3.7016.354.611.3298.65-13.9679.13-1.2837.220.87140.56-10.99
2018 (5)3.1818.664.55-19.33114.66-15.8880.1623.9536.90-12.95157.91-0.43
2017 (4)2.6815.525.64-3.42136.30-13.3564.673.4942.39-10.83158.59-7.93
2016 (3)2.32-11.795.8430.07157.3013.5262.49-23.1447.5421.83172.25-4.76
2015 (2)2.63-17.814.4917.23138.5721.6481.30-14.7739.0210.07180.864.03
2014 (1)3.202.243.83-7.93113.92-2.3295.398.6435.454.57173.861.95

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