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)0.6558.5485.710.8747.4655.36139.13-36.94-45.93104.45-32.44-36.1720.29-7.73-7.77223.28-36.79-44.03
24Q2 (19)0.4113.8941.380.595.3620.41220.63-12.46-30.38154.61-5.17-17.1721.99-20.47-26.48353.24-8.82-25.42
24Q1 (18)0.36-7.69-2.70.565.6680.65252.048.031.21163.04-5.36-44.7827.65-1.99-66.85387.432.67-15.94
23Q4 (17)0.3911.43-53.010.53-5.36-13.11233.31-9.33113.22172.275.2716.1228.2128.23-47.04377.36-5.4184.53
23Q3 (16)0.3520.69-46.970.5614.2924.44257.32-18.885.59163.64-12.33-19.5422.00-26.45-68.68398.96-15.7746.8
23Q2 (15)0.29-21.62-60.810.4958.066.52316.9127.26157.61186.65-36.79-6.4429.91-64.14-56.07473.652.7786.15
23Q1 (14)0.37-55.42-43.940.31-49.183.33249.02127.5881.49295.2899.04-2.5583.4156.58-21.59460.89125.3738.06
22Q4 (13)0.8325.7618.570.6135.5679.41109.42-21.08-15.91148.35-27.05-43.9153.27-24.17-42.82204.50-24.75-32.15
22Q3 (12)0.66-10.81-14.290.45-2.17-16.67138.6512.7116.58203.371.9420.8170.253.1942.03271.776.8114.28
22Q2 (11)0.7412.1227.590.4653.3327.78123.02-10.34-22.25199.50-34.16-21.7668.08-36.0-5.04254.45-23.78-25.5
22Q1 (10)0.66-5.71-5.710.30-11.76-34.78137.215.456.08303.0014.5752.86106.3714.1741.39333.8410.7632.29
21Q4 (9)0.70-9.09-2.780.34-37.04-35.85130.129.412.65264.4757.153.1693.1788.37-2.72301.4226.7548.0
21Q3 (8)0.7732.7642.590.5450.017.39118.93-24.84-29.28168.34-33.98-15.3149.46-31.01-46.56237.81-30.37-13.33
21Q2 (7)0.58-17.14-3.330.36-21.74-34.55158.2322.334.75255.0028.6452.9371.69-4.7144.65341.5435.3427.34
21Q1 (6)0.70-2.78-33.330.46-13.21-45.88129.352.0449.88198.2214.7984.8275.23-21.4696.37252.3523.9162.57
20Q4 (5)0.7233.33-45.860.5315.22-55.83126.76-24.6284.75172.68-13.13127.2795.783.48165.25203.66-25.7887.72
20Q3 (4)0.54-10.00.00.46-16.360.0168.1711.330.0198.7819.220.092.5686.760.0274.392.30.0
20Q2 (3)0.60-42.860.00.55-35.290.0151.0575.030.0166.7455.470.049.5629.370.0268.2272.790.0
20Q1 (2)1.05-21.050.00.85-29.170.086.3025.780.0107.2541.160.038.316.090.0155.2343.080.0
19Q4 (1)1.330.00.01.200.00.068.610.00.075.980.00.036.110.00.0108.490.00.0
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)1.89-42.91.780.56192.6974.47205.12-0.5164.92-20.24332.8941.52
2022 (9)3.31-7.021.77-0.56110.447.82206.180.7281.39-8.07235.237.6
2021 (8)3.56-14.011.78-25.21102.4316.32204.7133.4988.5331.19218.6125.69
2020 (7)4.14-38.942.38-52.9688.0663.65153.35112.4567.4886.2173.9393.79
2019 (6)6.7814.335.067.4353.81-12.6372.18-6.8836.245.8189.75-14.4
2018 (5)5.9310.434.711.2961.59-9.3977.51-1.2734.25-31.25104.858.47
2017 (4)5.3786.464.6556.0467.97-46.3778.51-35.9549.82-50.0596.66-35.37
2016 (3)2.88-15.042.98-32.73126.7317.86122.5848.6599.7431.53149.5731.02
2015 (2)3.39-41.854.43-70.43107.5371.6482.46238.3775.8353.04114.16204.59
2014 (1)5.8342.8914.9873.1862.65-30.0124.37-42.2849.5528.4337.48-59.76

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